Improvisation
The impromptu portrayal of a character or scene without any rehearsal or preparation.
Spontaneity
Naturalness
Illusion of the first time
A situation in which the audience is led to believe that each performance is the first.
scene-stealing
Calling attention to one's presence onstage and diverting attention away from the main actors
Character-centered approach
An approach to telling a story that focuses on a character or a group of characters who experience different situations
situation-centered approach
An approach to telling a story that takes a single situation or a series of situations and puts characters in them to show how different personalities respond to the same event
motivated sequence
The natural way in which a person responds to an external stimulus. The brain registers; the body responds and then reacts - as mirrored by an actor in an improvisation.