Question: what are the two main divisions of a play?
Answer: Act. The group of two or more scenes that form a major division of a play.
Scene. One part of the action, usually happening in a particular time and place.
Cast of characters. A list that describes who's in the play and often how they are related to one another.
Dialogue. ... 
Monologue. ... 
Plot. ... 
Setting. ... 
Theme.