A 'spoken language' is a human
natural language in which the
words are uttered through the
mouth. Most human
languages are spoken languages.
Speech communication stands in contrast to
sign language and
written language. From the point of view of linguistic evolution, spoken is prior to written language. The
writing system of any language is developed or "invented" by its users to record speech when the need arises. Even today, there are many world languages that can be spoken but have no standard written form. Hearing persons acquire their
first language by way of spoken language. Writing is learned later. In
linguistics, spoken language reveals many true features of human
speech while written language is only a "revised" record of speech. Thus linguists' data for investigation and analysis are mostly drawn from everyday speech, which they regard as authentic. Even from the point of view of
syntax, spoken language usually has its own set of grammar patterns which sometimes may be quite different from that in written language.
Sign languages have the same natural origin as spoken languages, and the same grammatical complexities, but use the
hands, arms, and
face rather than parts of the mouth as their
place of articulation.
Spoken languages also stand in contrast to
computer languages, which are distinguished by their
artificial origin.
See also
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Language
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Origin of language
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Vocal tract