Concept:A performance typically ends with the cast returning to the stage for appreciation.
Explanation:At the conclusion of a play, the actors come back on stage to receive applause.
This part of the performance is formally called a curtain call.
It is also known as a final bow or a walkdown.
The word "curtain" is used because it often takes place as the theatre curtain is raised or lowered.
During a curtain call, the cast may bow or acknowledge the audience for their support.
In musical theatre, performers may also acknowledge the orchestra and conductor at this time.
This event is different from an intermission, which is a break in the middle of a play.
It is also different from an introduction, which happens at the beginning.
Answer:B. Curtain Call