“Hello! This is Kuan Yin. “Scrim Noun a cotton or linen fabric of open weave used for bunting, curtains, etc. Theater. A piece of such fabric used as a drop, border, or the like, for creating the illusion of a solid wall or backdrop under certain lighting conditions or creating a transparent or semitransparent curtain when lit from behind.” . The key word here is illusion. Just by changing the lighting the entire view of a stage set can be changed from unseen, to seen.
