backdrop
/ˈbækˌdrɑp/
noun
A painted cloth hung at the back of a theater stage as part of the scenery.
Alex is happy with the Art Alliance and has volunteered to paint some scenery backdrops for them.
stage set,set,flats,backdrop,drop curtain
verb
Provide a background or setting for.
an ornate fountain, and at its center, backdropped with golden spray, a statue of a young girl