What does upstage refer to in a theatrical context?

In a theatrical context, upstage refers to the part of the stage that is farthest from the audience. This terminology is rooted in the layout of traditional stages, where the term "upstage" originated from the fact that in proscenium theaters, the stage sloped upward away from the audience. It implies depth in performance, as actors positioned upstage are further back from the front of the stage, often creating a sense of focus or distance in a scene.

Understanding stage directions like upstage, downstage (nearest to the audience), stage left, and stage right is crucial for actors and directors alike, as they inform blocking and the visual composition of performances. The other options pertain to different areas or functions of the theatre but do not capture the specific meaning of upstage in the context of stage position.