Fourth Wall
The fourth wall is the imaginary barrier between the actors and the audience. Breaking it occurs when actors address the audience directly, stepping out of the narrative.
Soliloquy
A soliloquy is a dramatic speech in a play or film where a character speaks their inner thoughts and feelings directly to the audience, often when alone.
Stage Left/Right
Stage left and stage right are directional terms used to describe an actor’s movement based on their left or right as they face the audience.
Prompt Side
Prompt Side is the traditional theater term for the stage left side — where the prompter historically stood — used as a standard directional reference in British and Australian theater production.