Conjunctions are words that connect words, phrases, and clauses.
Examples:
Read the following sentences:
Ruel and Christy are good friends.
He and she usually read comic books or play computer games on weekends.
Christy's dress is simple but elegant.
Her dance steps are done quickly yet artistically.
The words and, or, but, and yet in the given sentences connect two words or phrases to each other.
The word and connects Ruel and Christy and he and she.
The word but connects simple and elegant.
The word yet connects quickly and artistically.
Words that connect words, phrases, or clauses to each other are called conjunctions.