2. Chorus: In ancient Greek theatre, the chorus was an important part of the play, providing commentary on the action and singing songs, while in modern theatre, the chorus is not typically used.
3. Stage: In ancient Greek theatre, the stage was a circular area called the orchestra, while in modern theatre, the stage is typically a raised platform.
4. Audience: In ancient Greek theatre, the audience sat on stone benches arranged in a semicircle around the orchestra, while in modern theatre, the audience typically sits in rows of chairs facing the stage.
5. Plays: In ancient Greek theatre, plays were typically about gods, heroes, and mythology, while in modern theatre, plays can be about any topic.