| A | B |
| sense memory | memory that uses the senses to recapture an experience |
| sightlines | imaginary lines indicating visibility of stage areas from different points in the house |
| soliloquies | speeches in which one actor speaks aloud revealing his or her inner thoughts |
| stage left | the left side of the stage from the actor's perspective as he or she faces the audience |
| stage right | the stage area to the actor's right as he or she faces the audience |
| teaser | the overhead curtain that masks the first batten of lights and that adjusts the height of the proscenium opening |
| thrust stage | a stage that juts out into the audience area, with the audience usually sitting around on three sides |
| tormentors | side curtains or flats that adjust the proscenium width |
| trapdoor | an opening in the stage floor where actors can enter and exit |
| upstage | the area farthest away from the audience, toward the back wall |
| upstaging | drawing the audience's attention to yourself when it should be focused on another character |
| voice-over | the voice of an unseen narrator |
| wings | offstage to the right and left of the acting area |