roscenium

The proscenium stage is the most common in the Western world. The audience sits on one side of the stage, while the other sides are hidden and used by the performers and technicians.

Thrust stages are similar to proscenium stages, but with a platform or performance area that extends into the audience space on three sides

Lastly, the audience is seated on all four sides of the stage This type of stage includes both built and ‘found’ stages - some are built specifically for a performance, and some involve a space that has been adapted as a stage, such as a rock formation

The sides of the stage -

Actors and directors never refer to the sides of the stage by the unmarked terms left or right to avoid misunderstandings

They employ a term that makes the direction clear In contrast to "house left" and "house right," which refer to the sides of the stage as seen by the audience, "stage left" and "stage right" refer to the sides of the stage that are, respectively, on the performer's left and right while the performer is facing the audience

Upstage is used to refer to the area of the stage that is farther away from the audience or that moves in that direction, while "downstage" is used to refer to the area of the stage that is closest to the audience or that moves in that direction

“Upstage” was often, and still sometimes is, elevated above “downstage” This is referred to as a raked the stage that allows for a greater audience view of the action