This document provides information about articles (a, an, the) in English:
- "A" and "an" are indefinite articles used before non-specific nouns, with "a" used before consonant sounds and "an" used before vowel sounds.
- "The" is the definite article used to refer to specific or unique nouns, such as things that are one of a kind, names of rivers/mountains, books, musical instruments representing a whole class, ordinals, proper names of peoples, and abbreviations.
- Examples are given for the use of each article in different contexts.