1. used before a noun to indicate that the identity of the noun is known to the speaker and listener
Usage: definite article
2. used before a noun to indicate that the noun represents someone or something that is the only one of its kind
Usage: definite article
3. used before a singular noun to indicate that the noun represents an entire class or type
Usage: definite article

Examples

• The book on the table is mine.
• The sun rises in the east.
• The dog is man’s best friend.
• The more you practice, the better you get.
• I saw the movie you recommended.
• The President will speak tonight.
• The faster we go, the sooner we’ll arrive.