Question

what is the article ?​

Answer 1

An article is any member of a class of dedicated words that are used with noun phrases to mark the identifiability of the referents of the noun phrases. The category of articles constitutes a part of speech. In English, both "the" and "a/an" are articles, which combine with nouns to form noun phrases.

Answer 2

Article:

Basically, an article is an adjective. Like adjectives, articles modify nouns. English has two articles: the and a/an.