Stage set is a term used in theatre and film production to refer to the physical environment in which a performance or SCENE takes place. It includes the backdrop, props, furniture, and other elements that are used to create the setting for a performance. The two crossword solutions, LINES and SCENE, refer to the two main components of a stage set. LINES refers to the LINES and markings on the floor that indicate where actors should stand and move during a performance. SCENE refers to the backdrop and props that are used to create the physical environment of the performance.