This document defines various drama and theater terms including: - Comedy and tragedy, which are types of plays that end happily and unhappily, respectively. - History, which is a dramatic work based on actual events. - Catastrophe, which is the final outcome of a tragedy. - Tragic hero, which is the main character of a tragedy that is nobly born but has a character flaw leading to their downfall. - Act and scene, which are divisions of a play. - Protagonist and antagonist, which are the leading character and their opponent.