Backdrop

Noun

 * 1) A decorated cloth hung at the back of a stage.
 * 2) The setting or background of a historical event.

Thesaurus
act drop, arena, asbestos, asbestos board, back, background, batten, border, cloth, coulisse, counterweight, curtain, curtain board, cyclorama, decor, distance, drop, drop curtain, field, fire curtain, flat, flipper, ground, hanging, hinterland, locale, mise-en-scene, rag, rear, scene, scenery, screen, setting, side scene, stage, stage screw, stage set, stage setting, tab, tableau, teaser, theater, tormentor, transformation, transformation scene, wing, wingcut, woodcut