The document discusses definite and indefinite articles. It defines articles as words that limit or modify nouns to show if you are referring to a specific noun or noun in general. The indefinite articles "a" and "an" are used for indefinite or unspecified nouns, with "a" preceding consonant sounds and "an" preceding vowel sounds. The definite article "the" specifies a particular noun.

1. Definite Article
Indefinite Articles

2.  Article is a word that limits a noun.
 Article is a word that modifies a noun in order to show
whether you are talking about a noun specifically or in
general.
 Articles are "a" and "an" or "the“
 Examples:
The car, a cake, an apple etc.
Definition of Article

3. Indefinite Articles
Definition:
"a" and "an" are called indefinite articles because they define or modify
indefinite objects.
For example:
I saw a doctor.
I found an umbrella lying on the road.
Uses:
 "A" or "an" comes before any countable nouns.
 "A" comes before a consonant sounds.
 "An" comes before vowel sound.

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