An article is a word that combines with a noun to indicate the type of reference being made by the noun. The three main articles in the English language are the, an and a. An article is sometimes called a noun marker, although this is generally considered to be an archaic term.
It is sometimes wondered which part of speech articles belong to. Despite much speculation, articles are not adjectives because they don't describe nouns; they just agree with them. Linguists place them in a different category, that of determiners.
Articles can have various functions:
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