What purpose might a playwright include stage directions?

To describe a character's appearance. to indicate dialogue. to direct actions that take place offstage. to direct actions that take place onstage.

Stage directions are important as they give directions for the actors to use on stage ... Stage directions are important as they give directions for the actors to use on stage. They give clues on whem people should enter and exit and in turn give some understanding as to the motivations and actions of the character.