The document defines key terms related to theater and dramatic arts. It explains that a theater is a structure used to stage performances, which usually includes seating and a stage. A play is a written dramatic work consisting of dialogues between characters. Drama refers both to the acting aspect as well as the staging of a play, including elements like costumes, music, and sets. A scene divides an act into portions based on location or time, while a one-act play takes place from beginning to end in a single act without breaks. A script contains the written text of a play or movie. A dramatist is a skilled person involved in producing plays who understands elements of staging like sets, character details, and coordinating music and dialogue.