An article is a word that is used before a noun to indicate whether we are referring to a definite entity or indefinite entity.

• Definite articles: The definite article is the word the. It specifies that you are referring to a specific entity.

• Indefinite articles: The indefinite articles are the words a and an. They refer to a general entity.

The indefinite article is used before singular countable nouns.For example:,A book, An orange, and A girl.

The definite article is used before singular countable nouns, plural countable nouns, and uncountable nouns, e.g., The book, the books, the milk.