19. Which statement is true? When talking or writing about a play, you should refer to a specific part of the play only by the scene number and not the act number. A prop is a movable object used in a play. Unlike plot in fiction, a play's plot cannot be tracked on a plot diagram. Details about setting are communicated the same way in drama and fiction.

A prop is a movable object used in a play is the correct answer. Different acts all have a scene 1 and so on. If you don't clarify which act you don't know which scene. You can use a plot diagram to track a play's plot. And in drama, backgrounds and backdrops are one of the ways to communicate setting details which fiction doesn't have physical backdrops. The prop sentence is the answer and true statement