Is a an article?

Answer 1

The 3 articles in English are: a, an, the

'a' and 'an' are indefinite articles (in other words, you could replace them with 'any')

'the' is a definite article (in other words, you could replace it with 'this', 'that', 'these', 'those')

Answer 2

A is an indefinite article as is an. The is a definite article.