Stage Right (SR): Right side of the stage from the performer's perspective facing the audience.

Downstage (DS): This would be the part of the stage closest to the audience. You would consider it the front of the stage.

Upstage (US): This would be the part of the stage farthest from the audience. You would consider it the rear of the stage.

Center Stage (CS or C): This one is self explanatory.

Off-stage: This refers to the area just off the main performing area of the stage.

The above terms can be combined for a more descriptive location on the stage. For example:

Downstage Left (DSL): Would be downstage (front area of stage nearest the audience) and stage left.

Other common stage position terms and abbreviations are