Semicolon, Colon and Interrogation mark - Grammar short lesson-

Semicolon (;)

The semicolon represents a longer pause than the comma. It is used to separate the clauses of a compound sentence, when they contain a comma.

    He was a simple, unassuming man; yet we all respected him.

Note that the semicolon is usually followed by conjunctions like and, but, yet or or....