This document provides information about articles in the English language. It defines definite and indefinite articles, and gives rules for their use. The definite article is "the" and it is used to refer to things already mentioned or uniquely specified. The indefinite articles are "a" and "an" and they are used for things not yet mentioned or of no particular identity. Examples are given to illustrate the rules for using definite vs. indefinite articles. The document concludes with some example questions to test the use of articles.