An alphabet is a standard set of letters written to represent particular sounds in a spoken language. Specifically, letters largely correspond to phonemes as the smallest sound segments that can distinguish one word from another in a given language. Not all writing systems represent language in this way: a syllabary assigns symbols to spoken syllables, while logographies assign symbols to words, morphemes, or other semantic units.
An abjad, also abgad, is a writing system in which only consonants are represented, leaving the vowel sounds to be inferred by the reader. This contrasts with alphabets, which provide graphemes for both consonants and vowels. The term was introduced in 1990 by Peter T. Daniels. Other terms for the same concept include partial phonemic script, segmentally linear defective phonographic script, consonantary, consonant writing, and consonantal alphabet.
An abugida – sometimes also called alphasyllabary, neosyllabary, or pseudo-alphabet – is a segmental writing system in which consonant–vowel sequences are written as units; each unit is based on a consonant letter, and vowel notation is secondary, similar to a diacritical mark. This contrasts with a full alphabet, in which vowels have status equal to consonants, and with an abjad, in which vowel marking is absent, partial, or optional – in less formal contexts, all three types of the script may be termed "alphabets". The terms also contrast them with a syllabary, in which a single symbol denotes the combination of one consonant and one vowel.
In the linguistic study of written languages, a syllabary is a set of written symbols that represent the syllables or morae which make up words.
Writing is the act of creating a persistent representation of human language. A writing system uses a set of symbols and rules to encode aspects of spoken language, such as its lexicon and syntax. However, written language may take on characteristics distinct from those of any spoken language.
In a written language, a logogram, also logograph or lexigraph, is a written character that represents a semantic component of a language, such as a word or morpheme. Chinese characters as used in Chinese as well as other languages are logograms, as are Egyptian hieroglyphs and characters in cuneiform script. A writing system that primarily uses logograms is called a logography. Non-logographic writing systems, such as alphabets and syllabaries, are phonemic: their individual symbols represent sounds directly and lack any inherent meaning. However, all known logographies have some phonetic component, generally based on the rebus principle, and the addition of a phonetic component to pure ideographs is considered to be a key innovation in enabling the writing system to adequately encode human language.
Shorthand is an abbreviated symbolic writing method that increases speed and brevity of writing as compared to longhand, a more common method of writing a language. The process of writing in shorthand is called stenography, from the Greek stenos (narrow) and graphein. It has also been called brachygraphy, from Greek brachys (short), and tachygraphy, from Greek tachys, depending on whether compression or speed of writing is the goal.
Canadian syllabic writing, or simply syllabics, is a family of writing systems used in a number of indigenous Canadian languages of the Algonquian, Inuit, and (formerly) Athabaskan language families. These languages had no formal writing system previously. They are valued for their distinctiveness from the Latin script and for the ease with which literacy can be achieved. For instance, by the late 19th century the Cree had achieved what may have been one of the highest rates of literacy in the world. Syllabics are an abugida, where glyphs represent consonant–vowel pairs, determined by the rotation of the glyphs. They derive from the work of linguist and missionary James Evans.
Japanese Braille is the braille script of the Japanese language. It is based on the original braille script, though the connection is tenuous. In Japanese it is known as tenji (点字), literally "dot characters". It transcribes Japanese more or less as it would be written in the hiragana or katakana syllabaries, without any provision for writing kanji.
The history of the alphabet goes back to the consonantal writing system used to write Semitic languages in the Levant during the 2nd millennium BC. Nearly all alphabetic scripts used throughout the world today ultimately go back to this Semitic script. Its origins can be traced to the Proto-Sinaitic script that represented the language of Semitic-speaking workers and slaves in Egypt. Unskilled in the complex hieroglyphic system used to write the Egyptian language, which required a large number of pictograms, they selected a small number of those commonly seen in their surroundings to describe the sounds, as opposed to the semantic values, of their own Canaanite language. This script was partly influenced by the older Egyptian hieratic, a cursive script related to Egyptian hieroglyphs. The Semitic alphabet became the ancestor of multiple writing systems across the Middle East, Europe, northern Africa, and South Asia, mainly through Phoenician and the closely related Paleo-Hebrew alphabet, and later Aramaic and the Nabatean—derived from the Aramaic alphabet and developed into the Arabic alphabet—five closely related members of the Semitic family of scripts that were in use during the early 1st millennium BC.
An inherent vowel is part of an abugida script. It is a vowel sound which is used with each unmarked or basic consonant symbol.
Great Lakes Algonquian syllabics is a writing system for several Algonquian languages that emerged during the nineteenth century and whose existence was first noted in 1880. It was originally used near the Great Lakes: Fox, Sac, and Kickapoo, in addition to Potawatomi. Use of the script was subsequently extended to the Siouan language Ho-Chunk. Use of the Great Lakes script has also been attributed to speakers of the Ottawa dialect of the Ojibwe language, but supporting evidence is weak.
In a featural writing system, the shapes of the symbols are not arbitrary but encode phonological features of the phonemes that they represent. The term featural was introduced by Geoffrey Sampson to describe the Korean alphabet and Pitman shorthand.
The Mende Kikakui script is a syllabary used for writing the Mende language of Sierra Leone.
A semi-syllabary is a writing system that behaves partly as an alphabet and partly as a syllabary. The main group of semi-syllabic writing are the Paleohispanic scripts of ancient Spain, a group of semi-syllabaries that transform redundant plosive consonants of the Phoenician alphabet into syllabograms.
Pahawh Hmong is an indigenous semi-syllabic script, invented in 1959 by Shong Lue Yang, to write two Hmong languages, Hmong Daw (Hmoob Dawb / White Miao) and Hmong Njua AKA Hmong Leng (Moob Leeg / Green Miao).
In orthography, a zero consonant, silent initial, or null-onset letter is a consonant letter that does not correspond to a consonant sound, but is required when a word or syllable starts with a vowel. Some abjads, abugidas, and alphabets have zero consonants, generally because they have an orthographic rule that all syllables must begin with a consonant letter, whereas the language they transcribe allows syllables to start with a vowel. In a few cases, such as Pahawh Hmong below, the lack of a consonant letter represents a specific consonant sound, so the lack of a consonant sound requires a distinct letter to disambiguate.
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 was invented during the late 4th millennium BC. Throughout history, each writing system invented without prior knowledge of writing gradually evolved from a system of proto-writing that included a small number of ideographs, which were not fully capable of encoding spoken language, and lacked the ability to express a broad range of ideas.
Ditema tsa Dinoko, also known as ditema tsa Sesotho, is a constructed writing system for the siNtu or Southern Bantu languages. It is also known by its IsiZulu name isiBheqe soHlamvu, and by various other names in different languages. It was developed in the 2010s from antecedent ideographic traditions of the Southern African region. Its visual appearance is inspired by these, including the traditional litema arts style. It was developed between 2014 and 2016 by a group of South African linguists and software programmers with the goal of creating a denser writing system to avoid the slowness in reading caused by the word length and visual homogeneity of Southern Bantu languages written in the Roman alphabet. As of 2023, no proposal has been made to encode the script in Unicode, the text encoding standard designed to support all of the world's major writing systems.
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Predominant national and selected regional or minority scripts
Abjad
Abugida
Alphabetic
[L]ogographic
and [S]yllabic
Arabic
Hebrew
Canadian syllabics
Ethiopic
Northern Brahmic
Southern Brahmic
Thaana
Armenian
Cyrillic
Georgian
Greek
Hangul
Latin
Mongolian
Neo-Tifinagh
Osage
Cherokee [S]
Hanzi [L]
Kana [S] / Kanji [L] Writing systems worldwide.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/6/63/Writing_systems_worldwide.svg/460px-Writing_systems_worldwide.svg.png)
