Examples of stimuli from outside of the play's world (external):
- Sound effects, lights, music, projections
- An item of clothing, a symbol of rank or status, personal item, or money
- A phone call, knock on the door, letter
- A piece of stage furniture, scenery piece
- Weather
- A character from the outside world
Examples of stimuli from from inside of the play's world (internal):
- A desire for power, control, status, affection
- A fear of poverty, pain, abandonment
- A love of art, music, or nature
- A quest for justice or revenge
- A struggle between good and evil