In typography, a typeface (also known as font family) is a set of one or more fonts each composed of glyphs that share common design features. Each font of a typeface has a specific weight, style, condensation, width, slant, italicization, ornamentation, and designer or foundry (and formerly size, in metal fonts). For example, "ITC Garamond Bold Condensed Italic" means the bold, condensed-width, italic version of ITC Garamond. It is a different font from "ITC Garamond Condensed Italic" and "ITC Garamond Bold Condensed," but all are fonts within the same typeface, "ITC Garamond." ITC Garamond is a different typeface from "Adobe Garamond" or "Monotype Garamond." (These are all alternative updates or digitisations of the typeface Garamond, originally created in the 16th century.) There are thousands of different typefaces in existence, with new ones being developed constantly.
The art and craft of designing typefaces is called type design. Designers of typefaces are called type designers and are often employed by type foundries. In digital typography, type designers are sometimes also called font developers or font designers.
Every typeface is a collection of glyphs, each of which represents an individual letter, number, punctuation mark, or other symbol. The same glyph may be used for characters from different scripts, e.g. Roman uppercase A looks the same as Cyrillic uppercase ? and Greek uppercase alpha. There are typefaces tailored for special applications, such as map-making or astrology and mathematics.
The term typeface is frequently confused with the term font. Before the advent of digital typography and desktop publishing, the two terms had more clearly understood meanings.
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Terminology
In professional typography, the term typeface is not interchangeable with the word font (originally "fount" in British English, and pronounced "font"), because the term font has historically been defined as a given alphabet and its associated characters in a single size. For example, 8-point Caslon Italic was one font, and 10-point Caslon Italic was another. Historically, fonts came in specific sizes determining the size of characters, and in quantities of sorts or number of each letter provided. The design of characters in a font took into account all these factors.
As the range of typeface designs increased and requirements of publishers broadened over the centuries, fonts of specific weight (blackness or lightness) and stylistic variants (most commonly regular or roman as distinct to italic, as well as condensed) have led to font families, collections of closely related typeface designs that can include hundreds of styles. A font family is typically a group of related fonts which vary only in weight, orientation, width, etc., but not design. For example, Times is a font family, whereas Times Roman, Times Italic and Times Bold are individual fonts making up the Times family. Font families typically include several fonts, though some, such as Helvetica, may consist of dozens of fonts.
The distinction between font and typeface is that a font designates a specific member of a type family such as roman, boldface, or italic type, while typeface designates a consistent visual appearance or style which can be a "family" or related set of fonts. For example, a given typeface such as Arial may include roman, bold, and italic fonts. In the metal type era, a font also meant a specific point size, but with digital scalable outline fonts this distinction is no longer valid, as a single font may be scaled to any size.
The first "extended" font families, which included a wide range of widths and weights in the same general style emerged in the early 1900s, starting with ATF's Cheltenham (1902-1913), with an initial design by Bertram Grosvenor Goodhue, and many additional faces designed by Morris Fuller Benton. Later examples include Futura, Lucida, ITC Officina. Some became superfamilies as a result of revival, such as Linotype Syntax, Linotype Univers; while others have alternate styling designed as compatible replacements of each other, such as Compatil, Generis.
Typeface superfamilies began to emerge when foundries began to include typefaces with significant structural differences, but some design relationship, under the same general family name. Arguably the first superfamily was created when Morris Fuller Benton created Clearface Gothic for ATF in 1910, a sans serif companion to the existing (serifed) Clearface. The superfamily label does not include quite different designs given the same family name for what would seem to be purely marketing, rather than design, considerations: Caslon Antique, Futura Black and Futura Display are structurally unrelated to the Caslon and Futura families, respectively, and are generally not considered part of those families by typographers, despite their names.
Additional or supplemental glyphs intended to match a main typeface have been in use for centuries. In some formats they have been marketed as separate fonts. In the early 1990s, the Adobe Systems type group introduced the idea of expert set fonts, which had a standardized set of additional glyphs, including small caps, old style figures, and additional superior letters, fractions and ligatures not found in the main fonts for the typeface. Supplemental fonts have also included alternate letters such as swashes, dingbats, and alternate character sets, complementing the regular fonts under the same family. However, with introduction of font formats such as OpenType, those supplemental glyphs were merged into the main fonts, relying on specific software capabilities to access the alternate glyphs.
Since Apple's and Microsoft's operating systems supported different character sets in the platform related fonts, some foundries used expert fonts in a different way. These fonts included the characters which were missing on either Macintosh or Windows computers, e.g. fractions, ligatures or some accented glyphs. The goal was to deliver the whole character set to the customer regardless of which operating system was used.
The size of typefaces and fonts is traditionally measured in points; point has been defined differently at different times, but now the most popular is the Desktop Publishing point of ¹/?? in (0.0139 in or 0.35 mm). When specified in typographic sizes (points, kyus), the height of an em-square, an invisible box which is typically a bit larger than the distance from the tallest ascender to the lowest descender, is scaled to equal the specified size. For example, when setting Helvetica at 12 point, the em square defined in the Helvetica font is scaled to 12 points or 1/6 in (0.17 in or 4.3 mm). Yet no particular element of 12-point Helvetica need measure exactly 12 points.
Frequently measurement in non-typographic units (feet, inches, meters) will be of the cap-height, the height of the capital letters. Font size is also commonly measured in millimeters (mm) and qs (a quarter of a millimeter, kyu in romanized Japanese) and inches.
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History
Type foundries have cast fonts in lead alloys from the 1450s until the present, although wood served as the material for some large fonts called wood type during the 19th century, particularly in the United States. In the 1890s the mechanization of typesetting allowed automated casting of fonts on the fly as lines of type in the size and length needed. This was known as continuous casting, and remained profitable and widespread until its demise in the 1970s. The first machine of this type was the Linotype machine, invented by Ottmar Mergenthaler.
During a brief transitional period (c. 1950s-1990s), photographic technology, known as phototypesetting, utilized tiny high-resolution images of individual glyphs on a film strip (in the form of a film negative, with the letters as clear areas on an opaque black background). A high-intensity light source behind the film strip projected the image of each glyph through an optical system, which focused the desired letter onto the light-sensitive phototypesetting paper at a specific size and position. This photographic typesetting process permitted optical scaling, allowing designers to produce multiple sizes from a single font, although physical constraints on the reproduction system used still required design changes at different sizes; for example, ink traps and spikes to allow for spread of ink encountered in the printing stage. Manually operated photocomposition systems using fonts on filmstrips allowed fine kerning between letters without the physical effort of manual typesetting, and spawned an enlarged type design industry in the 1960s and 1970s.
By the mid-1970s, all of the major typeface technologies and all their fonts were in use: letterpress; continuous casting machines; phototypositors; computer-controlled phototypesetters; and the earliest digital typesetters - bulky machines with primitive processors and CRT outputs. From the mid-1980s, as digital typography has grown, users have almost universally adopted the American spelling font, which has come to primarily refer to a computer file containing scalable outline letterforms (digital font), in one of several common formats. Some typefaces, such as Verdana, are designed primarily for use on computer screens.
Digital type
Digital type became the dominant form of type in the late 1980s and early 1990s. Digital fonts store the image of each character either as a bitmap in a bitmap font, or by mathematical description of lines and curves in an outline font, also called a vector font. Bitmap fonts were more commonly used in the earlier stages of digital type, and are rarely used today.
When an outline font is used, a rasterizing routine (in the application software, operating system or printer) renders the character outlines, interpreting the vector instructions to decide which pixels should be black and which ones white. Rasterization is straightforward at high resolutions such as those used by laser printers and in high-end publishing systems. For computer screens, where each individual pixel can mean the difference between legible and illegible characters, some digital fonts use hinting algorithms to make readable bitmaps at small sizes.
Digital fonts may also contain data representing the metrics used for composition, including kerning pairs, component creation data for accented characters, glyph substitution rules for Arabic typography and for connecting script faces, and for simple everyday ligatures like fl. Common font formats include TrueType, OpenType and PostScript Type 1, while Metafont is still used by TeX and its variants. Applications using these font formats, including the rasterizers, appear in Microsoft and Apple Computer operating systems, Adobe Systems products and those of several other companies. Digital fonts are created with font editors such as FontForge, RoboFont, Glyphs, Fontlab's TypeTool, FontLab Studio, Fontographer, or AsiaFont Studio.
Typeface anatomy
Typographers have developed a comprehensive vocabulary for describing the many aspects of typefaces and typography. Some vocabulary applies only to a subset of all scripts. Serifs, for example, are a purely decorative characteristic of typefaces used for European scripts, whereas the glyphs used in Arabic or East Asian scripts have characteristics (such as stroke width) that may be similar in some respects but cannot reasonably be called serifs and may not be purely decorative.
Serifs
Typefaces can be divided into two main categories: serif and sans serif. Serifs comprise the small features at the end of strokes within letters. The printing industry refers to typeface without serifs as sans serif (from French sans, meaning without), or as grotesque (or, in German, grotesk).
Great variety exists among both serif and sans serif typefaces. Both groups contain faces designed for setting large amounts of body text, and others intended primarily as decorative. The presence or absence of serifs represents only one of many factors to consider when choosing a typeface.
Typefaces with serifs are often considered easier to read in long passages than those without. Studies on the matter are ambiguous, suggesting that most of this effect is due to the greater familiarity of serif typefaces. As a general rule, printed works such as newspapers and books almost always use serif typefaces, at least for the text body. Web sites do not have to specify a font and can simply respect the browser settings of the user. But of those web sites that do specify a font, most use modern sans serif fonts, because it is commonly believed that, in contrast to the case for printed material, sans serif fonts are easier than serif fonts to read on the low-resolution computer screen.
Proportion
A proportional typeface contains glyphs of varying widths, while a monospaced (non-proportional or fixed-width) typeface uses a single standard width for all glyphs in the font.
Many people generally find proportional typefaces nicer-looking and easier to read, and thus they appear more commonly in professionally published printed material. For the same reason, GUI computer applications (such as word processors and web browsers) typically use proportional fonts. However, many proportional fonts contain fixed-width (tabular) figures so that columns of numbers stay aligned.
Monospaced typefaces function better for some purposes because their glyphs line up in neat, regular columns. No glyph is given any more weight than another. Most manually operated typewriters use monospaced fonts. So do text-only computer displays and third- and fourth-generation game console graphics processors, which treat the screen as a uniform grid of character cells. Most computer programs which have a text-based interface (terminal emulators, for example) use only monospaced fonts (or add additional spacing to proportional fonts to fit them in monospaced cells) in their configuration. Monospaced fonts are commonly used by computer programmers for displaying and editing source code so that certain characters (for example parentheses used to group arithmetic expressions) are easy to see. Monospaced fonts may also make it easier to perform optical character recognition.
ASCII art usually requires a monospaced font for proper viewing, with the exception of Shift JIS art which takes advantage of the proportional characters in the MS PGothic font. In a web page, the <tt> </tt>, <code> </code> or <pre> </pre> HTML tags most commonly specify monospaced fonts. In LaTeX, the verbatim environment or the Teletype font family (e.g., \texttt{...} or {\ttfamily ...}) uses monospaced fonts (in TeX, use {\tt ...}).
Any two lines of text with the same number of characters in each line in a monospaced typeface should display as equal in width, while the same two lines in a proportional typeface may have radically different widths. This occurs because in a proportional font, glyph widths vary, such that wider glyphs (typically those for characters such as W, Q, Z, M, D, O, H, and U) use more space, and narrower glyphs (such as those for the characters i, t, l, and 1) use less space than the average.
In the publishing industry, it was once the case that editors read manuscripts in monospaced fonts (typically Courier) for ease of editing and word count estimates, and it was considered discourteous to submit a manuscript in a proportional font. This has become less universal in recent years, such that authors need to check with editors as to their preference, though monospaced fonts are still the norm.
Font metrics
Most scripts share the notion of a baseline: an imaginary horizontal line on which characters rest. In some scripts, parts of glyphs lie below the baseline. The descent spans the distance between the baseline and the lowest descending glyph in a typeface, and the part of a glyph that descends below the baseline has the name descender. Conversely, the ascent spans the distance between the baseline and the top of the glyph that reaches farthest from the baseline. The ascent and descent may or may not include distance added by accents or diacritical marks.
In the Latin, Greek and Cyrillic (sometimes collectively referred to as LGC) scripts, one can refer to the distance from the baseline to the top of regular lowercase glyphs (mean line) as the x-height, and the part of a glyph rising above the x-height as the ascender. The distance from the baseline to the top of the ascent or a regular uppercase glyphs (cap line) is also known as the cap height. The height of the ascender can have a dramatic effect on the readability and appearance of a font. The ratio between the x-height and the ascent or cap height often serves to characterize typefaces.
Typefaces with the same metrics (i.e., with the same glyph dimensions) are said to be "metric-compatible", that is, they can be substituted for one another in a document without changing the document's text flow. Several typefaces have been created to be metric-compatible with widely used proprietary typefaces to allow the editing of documents set in such typefaces in digital typesetting environments where these typefaces are not available. For instance, the open-source Liberation fonts and Croscore fonts have been designed as metric-compatible substitutes for widely used Microsoft fonts.
Optical sizing
During the metal type era, all type was cut in metal and could only be printed at a specific size. It was a natural process to vary a design at different sizes, making it chunkier and clearer to read at smaller sizes. Many digital fonts are offered in a range of styles for different sizes, especially designs sold for professional printing use by companies such as Adobe. The art of designing fonts for a specific size is known as optical sizing. Others will be offered in only one style, but optimised for a specific size. Designs intended to be printed small may feature larger lower-case letters, chunkier stroke weights and thicker serifs, while fonts intended for display may be more slender. Optical sizes are particularly common for serif fonts, since the fine detail of serif fonts can need to be bulked up for smaller sizes.
Typefaces may also be designed differently considering the type of paper on which they will be printed. Designs to be printed on absorbent newsprint paper will be more slender as the ink will naturally spread out as it absorbs into the paper, and may feature ink traps: areas left blank into which the ink will soak as it dries. These corrections will not be needed for printing on high-gloss cardboard or display on-screen. Fonts designed for low-resolution displays, meanwhile, may avoid pure circles, fine lines and details a screen cannot render.
Typesetting numbers
Most typefaces, especially modern designs, include a complementary set of numeric digits. This was not always so: in the metal type era, when fonts were often set to highly standardised metrics, fonts might not include numeric digits, or a font of such digits in an unusual style might be sold without a matching set of letters.
Numbers can be typeset in two independent sets of ways: lining and non-lining figures, and proportional and tabular styles, making for four possible combinations.
Most modern typefaces set numeric digits by default as lining figures, which are the height of upper-case letters. Non-lining figures, styled to match lower-case letters, are often common in fonts intended for body text, as they are thought to be less disruptive to the style of running text. They are also called lower-case numbers or text figures for the same reason.
The horizontal spacing of digits can also be proportional, with a character width tightly matching the width of the figure itself, or tabular, where all digits have the same width. Proportional spacing places the digits closely together, reducing empty space in a document, and is thought to allow the numbers to blend into the text more effectively. As tabular spacing makes all numbers with the same number of digits the same width, it is used for typesetting documents such as price lists, stock listings and sums in mathematics textbooks, all of which require columns of numeric figures to line up on top of each other for easier comparison. Tabular spacing is also a common feature of simple printing devices such as cash registers and date-stamps.
Characters of uniform width are a standard feature of so-called monospaced fonts, used in programming and on typewriters. However, many fonts that are not monospaced use tabular figures. More complex font designs may include two or more combinations with one as the default and others as alternate characters. Of the four possibilities, non-lining tabular figures are particularly rare since there is no common use for them.
Fonts intended for professional use in documents such as business reports may also make the bold-style numbers take up the same width as the regular (non-bold) numbers, so a bold-style total would appear just as wide as the same sum in regular style.
Style of typefaces
Because an abundance of typefaces has been created over the centuries, they are commonly categorized according to their appearance. At the highest level (in the context of Latin-script fonts), one can differentiate Roman, Blackletter, and Gaelic types. Roman types are in the most widespread use today, and are sub-classified as serif, sans serif, ornamental, and script types. Historically, the first European fonts were blackletter, followed by Roman serif, then sans serif and then the other types. The use of Gaelic faces was restricted to the Irish language, though these form a unique if minority class. Typefaces may be monospaced regardless of whether they are Roman, Blackletter, or Gaelic. Symbol typefaces are non-alphabetic. The Cyrillic script comes in two varieties, Roman type (called ??????????? ????? gra?danskij ?rift) and traditional Slavonic type (called ?????????? ????? slavjanskij ?rift).
Roman typefaces
Serif typefaces
Serif, or Roman, typefaces are named for the features at the ends of their strokes. Times Roman and Garamond are common examples of serif typefaces. Serif fonts are probably the most used class in printed materials, including most books, newspapers and magazines. Serif fonts are often classified into three subcategories: Old Style, Transitional, and Didone (or Modern), representative examples of which are Garamond, Baskerville, and Bodoni respectively.
Old Style typefaces are influenced by early Italian lettering design. Modern fonts often exhibit a bracketed serif and a substantial difference in weight within the strokes. Though some argument exists as to whether Transitional fonts exist as a discrete category among serif fonts, Transitional fonts lie somewhere between Old Style and Modern style typefaces. Transitional fonts exhibit a marked increase in the variation of stroke weight and a more horizontal serif compared to Old Style. Slab serif designs have particularly large serifs, and date to the early nineteenth century. The earliest slab serif font, Antique, later renamed Egyptian, was first shown in 1815 by the English typefounder Vincent Figgins.
Roman, italic, and oblique are also terms used to differentiate between upright and two possible slanted forms of a typeface. Italic and oblique fonts are similar (indeed, oblique fonts are often simply called italics) but there is strictly a difference: italic applies to fonts where the letter forms are redesigned, not just slanted. Almost all serif faces have italic forms; some sans-serif faces have oblique designs. (Most faces do not offer both as this is an artistic choice by the font designer about how the slanted form should look.)
Sans serif typefaces
Sans serif (lit. without serif) designs appeared relatively recently in the history of type design. The first, similar to slab serif designs, was shown in 1816 by William Caslon IV. Sans serif fonts are commonly but not exclusively used for display typography such as signage, headings, and other situations demanding legibility above high readability. The text on electronic media offers an exception to print: most web pages and digitized media are laid out in sans serif typefaces because serifs often detract from readability at the low resolution of displays. Many have minimal variation in stroke width, creating the impression of a minimal, simplified design.
A well-known and popular sans serif font is Max Miedinger's Helvetica, popularized for desktop publishing by inclusion with Apple Computer's LaserWriter laserprinter and having been one of the first readily available digital typefaces. Arial, popularized by Microsoft, is a common Helvetica substitute. Other fonts such as Futura, Gill Sans, Univers and Frutiger have also remained popular over many decades.
Blackletter typefaces
Blackletter fonts, the earliest typefaces used with the invention of the printing press, resemble the blackletter calligraphy of that time. Many people refer to them as gothic script. Various forms exist including textualis, rotunda, schwabacher, and fraktur.
Gaelic typefaces
Gaelic fonts were first used for the Irish language in 1571, and were used regularly for Irish until the early 1960s, though they continue to be used in display type and type for signage. Their use was effectively confined to Ireland, though Gaelic typefaces were designed and produced in France, Belgium, and Italy. Gaelic typefaces make use of insular letterforms, and early fonts made use of a variety of abbreviations deriving from the manuscript tradition. Early fonts used for the Anglo-Saxon language, also using insular letterforms, can be classified as Gaelic typefaces, distinct from Roman or Antiqua typefaces. Various forms exist, including manuscript, traditional, and modern styles, chiefly distinguished as having angular or uncial features.
Monospaced typefaces
Monospaced fonts are typefaces in which every glyph is the same width (as opposed to variable-width fonts, where the w and m are wider than most letters, and the i is narrower). The first monospaced typefaces were designed for typewriters, which could only move the same distance forward with each letter typed. Their use continued with early computers, which could only display a single font. Although modern computers can display any desired typeface, monospaced fonts are still important for computer programming, terminal emulation, and for laying out tabulated data in plain text documents; they may also be particularly legible at small sizes due to all characters being quite wide. Examples of monospaced typefaces are Courier, Prestige Elite, Fixedsys, and Monaco. Most monospaced fonts are sans-serif or slab-serif as these designs are easiest to read printed small or display on low-resolution screens, though many exceptions exist.
CJK typefaces
CJK, or Chinese, Japanese and Korean typefaces consist of wide-ranging sets of glyphs. They include all of the ASCII, European Roman glyphs and Cyrillic glyphs and often Persian, Hebrew and Arabic. Most uniquely, however, their native character set's glyphs are designed to fit within a square. This is somewhat similar to monospaced type faces, but allows for vertical, horizontal, right-to-left and left-to-right orientation. They also include a set of Extended Latin characters with glyphs and metrics redesigned for the square in addition to the standard variety. This commonly results in complex, often conflicting rules and conventions of mixing languages in type.
Mincho
With CJK typefaces, Mincho style tends to be something like Serifs for the end of stems, and in fact includes Serifed glyphs for Extended Latin and Cyrillic sets within a typeface.
Gothic
With CJK typefaces, Goth style tends to be something like Sans Serifs with squarish, cut off end-caps for the end of stems, and in fact includes Sans Serif glyphs for Extended Latin and Cyrillic sets within a typeface.
Maru
With CJK typefaces, Maru style tends to be something like Sans Serifs with rounded end-caps for the end of stems, and in fact includes Rounded Sans Serif glyphs for Extended Latin and Cyrillic sets within a typeface.
Display type
Display type refers to the use of type at large sizes, perhaps 30 points or larger. Some typefaces are considered useful solely at display sizes, and are known as display faces. Most effect typefaces are display types. Common features of display type include tighter default letter spacing, finer details and serifs, slightly more condensed letter shapes and larger differences between thick and thin strokes; many of these are most visible in serif designs. Many display typefaces in the past such as those intended for posters and newspaper headlines were also only cut in capitals, since it was assumed lower-case would not be needed, or at least with no italics. This was true of many early sans-serif fonts.
In the days of metal type, when each size was cut individually, display types were often cut that were adjusted for display use. These modifications continued to be made even after fonts started to be made by scaling using a pantograph, but began to fade away with the advent of phototypesetting and then digital fonts, which can both be printed at any size. Premium digital fonts used for magazines, books and newspapers do often include display variants, but they are often not included with typefaces bundled with operating systems and desktop publishing software.
Decades into the desktop publishing revolution, few typographers with metal foundry type experience are still working, and few digital typefaces are optimized specifically for different sizes, so the misuse of the term display typeface as a synonym for ornamental type has become widespread; properly speaking, ornamental typefaces are a subcategory of display typefaces. At the same time, with new printing techniques, typefaces have largely replaced hand-lettering for very large signs and notices that would once have been painted or carved by hand.
Script typefaces
Script typefaces imitate handwriting or calligraphy. They do not lend themselves to quantities of body text, as people find them harder to read than many serif and sans-serif typefaces; they are typically used for logos or invitations. Historically, most lettering on logos, displays, shop frontages did not use fonts but was rather custom-designed by signpainters and engravers, so many emulate the styles of hand-drawn signs from different historical periods. The genre has developed rapidly in recent years due to modern font formats allowing more complex simulations of handwriting. Examples include Coronet (a quite simple design from 1937) and Zapfino (a much more complicated digital design).
Mimicry typefaces
Some decorative typefaces, sometimes called simulation typefaces, have been designed that represent the characters of the Roman alphabet but evoke another writing system. This group includes typefaces designed to appear as Arabic, Chinese characters, Cyrillic (Faux Cyrillic), Indic scripts, Greek, Hebrew, Kana, or Thai. These are used largely for the purpose of novelty to make something appear foreign, or to make businesses such as restaurants offering foreign food clearly stand out.
Reverse-contrast typefaces
A reverse-contrast type is a typeface in which the stress is reversed from the norm: instead of the vertical lines being the same width or thicker than horizontals, which is normal in Latin-alphabet printing, the horizontal lines are the thickest. Reverse-contrast types are rarely used for body text, and are particularly common in display applications such as headings and posters, in which their unusual structure may be particularly eye-catching. First seen in London in 1821, they were particularly common in the mid- to late nineteenth century in American and British printing and have been revived occasionally since then. They effectively become slab serif designs because of the serifs becoming thick, and are often characterised as part of that genre. In recent times, the reverse-contrast effect has been extended to other kinds of typeface, such as sans-serif designs.
Effect typefaces
Some typefaces have a structure that suggests a three-dimensional letter, such as letters carved into stone. An example of this is the genre known as 'inline', 'block' 'outline' or 'shadowed' typefaces. This renders the interior of glyphs in the background color, with a thin line around the edges of the glyphs. In some cases, the outline shows the glyph filled in with the foreground color, surrounded a thin outline mirroring the edges separated by a small gap. (This latter style is often used with "college" typefaces.) Colorized block lettering is often seen in carefully rendered graffiti.
A "shadow" effect can also be either designed into a typeface or added to an existing typeface. Designed-in shadows can be stylized or connected to the foreground. An after-market shadow effect can be created by making two copies of each glyph, slightly offset in a diagonal direction and possibly in different colors. Drop shadows can also be dynamically created by rendering software. The shadow effect is often combined with the outline effect, where the top layer is shown in white with black outline and the bottom layer in black, for greater contrast. An example typeface with an 'inline' effect is Imprint Shadowed, where the shadowed version is more widely distributed than the regular design.
Small print typefaces
Some typefaces are specifically designed to be printed at small sizes, for example in telephone directories or on newsprint paper. Bell Gothic and Bell Centennial, commissioned for telephone directories, are notable examples of this. Small-print designs often feature a large x-height, and a chunky design. Some fonts used at such sizes may be members of a larger typeface family joining members for normal sizes. For example, the Times New Roman family contains some designs intended for small print use, as do many families with optical sizes such as Minion.
In the metal type era, typefaces intended to be printed small contained ink traps, small indentations at the junctions of strokes that would be filled up with ink spreading out, maintaining the intended appearance of the type design. Without ink traps, the excess ink would blob and ruin the crisp edge. At larger sizes, these ink traps were not necessary, so display faces did not have them. They have also been removed from most digital fonts, as these will normally be viewed on screen or printed through inkjet printing, laser printing, offset lithography, electrophotographic printing or other processes that do not show the ink spread of letterpress. Ink traps have remained common on designs intended to be printed on low-quality, absorbent paper, especially newsprint and telephone directories.
Texts used to demonstrate typefaces
A sentence that uses all of the alphabet (a pangram), such as "The quick brown fox jumps over the lazy dog", is often used as a design aesthetic tool to demonstrate the personality of a typeface's characters in a setting (because it displays all the letters of the alphabet). For extended settings of typefaces graphic designers often use nonsense text (commonly referred to as greeking), such as lorem ipsum or Latin text such as the beginning of Cicero's In Catilinam. Greeking is used in typography to determine a typeface's colour, or weight and style, and to demonstrate an overall typographic aesthetic prior to actual type setting.
Non-character typefaces
The process of printing typefaces has historically been far simpler than commissioning and engraving custom illustrations, especially as many non-text features of printed works like symbols and borders were likely to be reused by a printer in future. Non-character typefaces have therefore been created for elements of documents that are not letters but are likely to be reused regularly. These include:
Ornamental typefaces
Ornamental (also known as novelty or sometimes display) typefaces are used to decorate a page. Historically complex interlocking patterns known as arabesques were common in fine printing, as were floral borders known as fleurons evoking hand-drawn manuscripts.
In the metal type era, type-founding companies often would offer pre-formed illustrations as fonts showing objects and designs likely to be useful for printing and advertisements, the equivalent of modern clip art and stock photographs. As examples, the American Type Founders specimen of 1897 offered designs including baseball players, animals, Christmas wreaths, designs for cheques, and emblems such as state seals for government printing. The practice has declined as printing custom illustrations and colour printing using processes such as lithography has become cheaper, although illustration typefaces are still sold by some companies. See above for the historical definition of display typeface.
Symbol typefaces
Symbol, or dingbat, typefaces consist of symbols (such as decorative bullets, clock faces, railroad timetable symbols, CD-index, or TV-channel enclosed numbers) rather than normal text characters. Common, widely used symbol typeface releases include Zapf Dingbats and Wingdings, though many may be created internally by a publication for its own use and some typefaces may have a symbol range included. Marlett is an example of a font used by Windows to draw elements of windows and icons.
Emoji
Emoji are pictograms that can be used and displayed inline with text. They are similar to previous symbol typefaces, but with a much larger range of characters, such as symbols for common objects, animals, food types, weather and emotions. Originally developed in Japan, they are now commonly installed on many computer and smartphone operating systems. Following standardisation and inclusion in the Unicode standard, allowing them to be used internationally, the number of Emoji characters has rapidly increased to meet the demands of an expanded range of cultures using them; unlike many previous symbol typefaces, they are interchangeable with the ability to display the pictures of the same meaning in a range of fonts on different operating systems. The popularity of emoji has meant that characters have sometimes gained culture-specific meanings not inherent to the design. Both colour and monochrome emoji typefaces exist, as well as at least one animated design.
Music typefaces
Typefaces that include musical notes and other needed symbols have been developed to print sheet music.
Intellectual property
In Eltra Corp. v. Ringer, the United States Court of Appeals for the Fourth Circuit held that typeface designs are not subject to copyright. However, in the USA novel and non-obvious typeface designs are subject to protection by design patents. Digital fonts that embody a particular design are often subject to copyright as computer programs. The names of the typefaces can be trademarked. As a result of these various means of legal protection, sometimes the same typeface exists in multiple names and implementations.
Some elements of the software engines used to display fonts on computers have or had software patents associated with them. In particular, Apple Inc. patented some of the hinting algorithms for TrueType, requiring open source alternatives such as FreeType to use different algorithms until Apple's TrueType hinting patents expired in May 2010.
Although typeface design is not subject to copyright in the United States under the 1976 Copyright Act, the United States District Court for the Northern District of California in Adobe Systems, Inc. v. Southern Software, Inc. (No. C95-20710 RMW, N.D. Cal. January 30, 1998) found that there was original authorship in the placement of points on a computer font's outline; i.e., because a given outline can be expressed in myriad ways, a particular selection and placement of points has sufficient originality to qualify for copyright.
Some western countries, including the United Kingdom, extend copyright protection to typeface designs. However, this has no impact on protection in the United States, because all of the major copyright treaties and agreements to which the U.S. is a party (such as the Berne Convention, the WIPO Copyright Treaty, and TRIPS) operate under the principle of national treatment, under which a country is obligated to provide no greater or lesser protection to works from other countries than it provides to domestically produced works.
Source of the article : Wikipedia
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