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Language is a structured system of communication that consists of grammar and vocabulary.It is the primary means by which humans convey meaning, both in spoken and signed forms, and may also be conveyed through writing.
Linguistics is the scientific study of language. [1] [2] [3] The areas of linguistic analysis are syntax (rules governing the structure of sentences), semantics (meaning), morphology (structure of words), phonetics (speech sounds and equivalent gestures in sign languages), phonology (the abstract sound system of a particular language, and analogous systems of sign languages), and pragmatics ...
In logic, mathematics, computer science, and linguistics, a formal language consists of words whose letters are taken from an alphabet and are well-formed according to a specific set of rules called a formal grammar. The alphabet of a formal language consists of symbols, letters, or tokens that concatenate into strings called words. [1]
In sociolinguistics, a variety, also known as a lect or an isolect, [1] is a specific form of a language or language cluster.This may include languages, dialects, registers, styles, or other forms of language, as well as a standard variety. [2]
Its subdisciplines include, but are not limited to phonological typology, which deals with sound features; syntactic typology, which deals with word order and form; lexical typology, which deals with language vocabulary; and theoretical typology, which aims to explain the universal tendencies. [2]
In formal language theory, a context-free grammar, G, is said to be in Chomsky normal form (first described by Noam Chomsky) [1] if all of its production rules are of the form: [2] [3] A → BC , or
A written language is the representation of a language by means of writing. This involves the use of visual symbols, known as graphemes, to represent linguistic units such as phonemes, syllables, morphemes, or words. However, written language is not merely spoken or signed language written down, though it can approximate that. Instead, it is a ...
Interjections are another word class, but these are not described here as they do not form part of the clause and sentence structure of the language. [2] Linguists generally accept nine English word classes: nouns, verbs, adjectives, adverbs, pronouns, prepositions, conjunctions, determiners, and exclamations.