backcloth
noun /ˈbækklɒθ/
  /ˈbækklɔːθ/
 (British English) (also backdrop British and North American English)
- a painted piece of cloth that is hung behind the stage in a theatre as part of the sceneryWordfinderTopics Film and theatrec1
- backdrop
 - costume
 - curtain
 - footlights
 - prop
 - proscenium
 - scenery
 - set
 - stage
 - the wings
 
 - everything that can be seen around an event or scene                                     
 - the general conditions in which an event takes place, which sometimes help to explain that event