| A | B |
| improvisation | the impromptu portrayal of a character or scene |
| situation-centered | story-telling approach built around an event |
| scenario | a skeletal outline of stage action |
| illusion of the first time | performing with freshness, as if things have not been rehearsed |
| motivated sequence | the thought comes first and then the movement |
| terminal questions | can be answered by a "yes" or "no" |
| what is happening now | the keynote of improvisation |
| sit-com | short for situational comedy |