Fourth wall

The invisible wall between stage and audience in a realistic play. Speak directly to the audience and you break it.

ActorsDirectors

AsideA line spoken to the audience that the other characters on stage pretend not to hear.
ProsceniumA stage framed like a picture, with the audience all on one side looking through an arch.

More in The script

Act Beat Monologue Soliloquy Exposition Point of attack