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Allography
In graphemics and typography, the term allograph is used of a glyph that is a design variant of a letter or other grapheme, such as a letter, a number, an ideograph, a punctuation mark or other typographic symbol. In graphemics, an obvious example in Latin alphabet (and many other writing systems) is the distinction between uppercase and lowercase letters. Allographs can vary greatly, without affecting the underlying identity of the grapheme. Even if the word "cat" is rendered as "cAt", it remains recognizable as the sequence of the three graphemes , , . Letters and other graphemes can also have significant variations that may be missed by many readers. The letter g, for example, has two common forms in different typefaces, and a wide variety in people's handwriting. A positional example of allography is the long s , a symbol which was once a widely used as a non-final allograph for the lowercase letter s. A grapheme variant can acquire a separate meaning in a specialized ...
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Serif
In typography, a serif () is a small line or stroke regularly attached to the end of a larger stroke in a letter or symbol within a particular font or family of fonts. A typeface or "font family" making use of serifs is called a serif typeface (or serifed typeface), and a typeface that does not include them is sans-serif. Some typography sources refer to sans-serif typefaces as "grotesque" (in German language, German, ) or "Gothic" (although this often refers to blackletter type as well). In German usage, the term Antiqua (typeface class), Antiqua is used more broadly for serif types. Serif typefaces can be broadly classified into one of four subgroups: Serif#Old-style, Old-style, Serif#Transitional, Transitional, Serif#Didone, Didone, and Serif#Slab serif, Slab serif, in order of first emergence. Origins and etymology Serifs originated from the first official Greek writings on stone and in Latin alphabet with Roman square capitals, inscriptional lettering—words carved into s ...
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Writing Systems
A writing system comprises a set of symbols, called a ''script'', as well as the rules by which the script represents a particular language. The earliest writing appeared during the late 4th millennium BC. Throughout history, each independently invented writing system gradually emerged from a system of proto-writing, where a small number of ideographs were used in a manner incapable of fully encoding language, and thus lacking the ability to express a broad range of ideas. Writing systems are generally classified according to how its symbols, called '' graphemes'', relate to units of language. Phonetic writing systemswhich include alphabets and syllabariesuse graphemes that correspond to sounds in the corresponding spoken language. Alphabets use graphemes called '' letters'' that generally correspond to spoken phonemes. They are typically divided into three sub-types: ''Pure alphabets'' use letters to represent both consonant and vowel sounds, ''abjads'' generally only u ...
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Orthography
An orthography is a set of convention (norm), conventions for writing a language, including norms of spelling, punctuation, Word#Word boundaries, word boundaries, capitalization, hyphenation, and Emphasis (typography), emphasis. Most national and international languages have an established writing system that has undergone substantial standardization, thus exhibiting less dialect variation than the spoken language. These processes can fossilize pronunciation patterns that are no longer routinely observed in speech (e.g. ''would'' and ''should''); they can also reflect deliberate efforts to introduce variability for the sake of national identity, as seen in Noah Webster's efforts to introduce easily noticeable differences between American and British spelling (e.g. ''honor'' and ''honour''). Orthographic norms develop through social and political influence at various levels, such as encounters with print in education, the workplace, and the state. Some nations have established ...
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Arabic Script
The Arabic script is the writing system used for Arabic (Arabic alphabet) and several other languages of Asia and Africa. It is the second-most widely used alphabetic writing system in the world (after the Latin script), the second-most widely used List of writing systems by adoption, writing system in the world by number of countries using it, and the third-most by number of users (after the Latin and Chinese characters, Chinese scripts). The script was first used to write texts in Arabic, most notably the Quran, the holy book of Islam. With Spread of Islam, the religion's spread, it came to be used as the primary script for many language families, leading to the addition of new letters and other symbols. Such languages still using it are Arabic language, Arabic, Persian language, Persian (Western Persian, Farsi and Dari), Urdu, Uyghur language, Uyghur, Kurdish languages, Kurdish, Pashto, Punjabi language, Punjabi (Shahmukhi), Sindhi language, Sindhi, South Azerbaijani, Azerb ...
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Coptic Script
The Coptic alphabet is the Writing system, script used for writing the Coptic language, the most recent development of Egyptian language, Egyptian. The repertoire of glyphs is based on the uncial Greek alphabet, augmented by letters borrowed from the Egyptian Demotic (Egyptian), Demotic. It was the first alphabetic script used for the Egyptian language. There are several Coptic alphabets, as the script varies greatly among the various dialects and eras of the Coptic language. History The Coptic script has a long history going back to the Ptolemaic Kingdom, when the Greek alphabet was used to Transcription (linguistics), transcribe Demotic (Egyptian), Demotic texts, with the aim of recording the correct pronunciation of Demotic. As early as the sixth century BC and as late as the second century AD, an entire series of ancient Egyptian religion, pre-Christian religious texts were written in what scholars term Old Coptic, Egyptian language texts written in the Greek alphabet. I ...
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Homoglyph
In orthography and typography, a homoglyph is one of two or more graphemes, character (computing), characters, or glyphs with shapes that appear identical or very similar but may have differing meaning. The designation is also applied to sequences of characters sharing these properties. In 2008, the Unicode Consortium published its Technical Report #36 on a range of issues deriving from the visual similarity of characters both in single scripts, and similarities between characters in different scripts. Examples of homoglyphic symbols are (a) the diaeresis (diacritic), diaeresis and umlaut (both a pair of dots, but with different meaning, although character encoding, encoded with the same code points); and (b) the hyphen and minus sign (both a short horizontal stroke, but with different meaning, although often encoded with hyphen-minus, the same code point). Among numerical digit, digits and letter (alphabet), letters, digit 1 and lowercase l are always encoded separately but in m ...
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Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocean, with the China, People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. It has an area of , with mountain ranges dominating the eastern two-thirds and plains in the western third, where its Urbanization by country, highly urbanized population is concentrated. The combined Free area of the Republic of China, territories under ROC control consist of list of islands of Taiwan, 168 islands in total covering . The Taipei–Keelung metropolitan area, largest metropolitan area is formed by Taipei (the capital), New Taipei City, and Keelung. With around 23.9 million inhabitants, Taiwan is among the List of countries and dependencies by population density, most densely populated countries. Tai ...
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Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. The Japanese archipelago consists of four major islands—Hokkaido, Honshu, Shikoku, and Kyushu—and List of islands of Japan, thousands of smaller islands, covering . Japan has a population of over 123 million as of 2025, making it the List of countries and dependencies by population, eleventh-most populous country. The capital of Japan and List of cities in Japan, its largest city is Tokyo; the Greater Tokyo Area is the List of largest cities, largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 Prefectures of Japan, administrative prefectures and List of regions of Japan, eight traditional regions. About three-quarters of Geography of Japan, the countr ...
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China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after India, representing 17.4% of the world population. China spans the equivalent of five time zones and Borders of China, borders fourteen countries by land across an area of nearly , making it the list of countries and dependencies by area, third-largest country by land area. The country is divided into 33 Province-level divisions of China, province-level divisions: 22 provinces of China, provinces, 5 autonomous regions of China, autonomous regions, 4 direct-administered municipalities of China, municipalities, and 2 semi-autonomous special administrative regions. Beijing is the country's capital, while Shanghai is List of cities in China by population, its most populous city by urban area and largest financial center. Considered one of six ...
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Chinese Character
Chinese characters are logographs used to write the Chinese languages and others from regions historically influenced by Chinese culture. Of the four independently invented writing systems accepted by scholars, they represent the only one that has remained in continuous use. Over a documented history spanning more than three millennia, the function, style, and means of writing characters have changed greatly. Unlike letters in alphabets that reflect the sounds of speech, Chinese characters generally represent morphemes, the units of meaning in a language. Writing all of the frequently used vocabulary in a language requires roughly 2000–3000 characters; , nearly have been identified and included in '' The Unicode Standard''. Characters are created according to several principles, where aspects of shape and pronunciation may be used to indicate the character's meaning. The first attested characters are oracle bone inscriptions made during the 13th century BCE in w ...
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IPA Extensions
IPA Extensions is a block (U+0250–U+02AF) of the Unicode standard that contains full size letters used in the International Phonetic Alphabet (IPA). Both modern and historical characters are included, as well as former and proposed IPA signs and non-IPA phonetic letters. Additional characters employed for phonetics, like the palatalization sign, are encoded in the blocks Phonetic Extensions (1D00–1D7F) and Phonetic Extensions Supplement (1D80–1DBF). Diacritics are found in the Spacing Modifier Letters (02B0–02FF) and Combining Diacritical Marks Combining Diacritical Marks is a Unicode block containing the most common combining characters. It also contains the character " Combining Grapheme Joiner", which prevents canonical reordering of combining characters, and despite the name, actua ... (0300–036F) blocks. Its block name in Unicode 1.0 was Standard Phonetic. With the ability to use Unicode for the presentation of IPA symbols, ASCII-based syst ...
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