backcloth

US /ˈbæk.klɔθ/
UK /ˈbæk.klɔθ/
"backcloth" picture
1.

a painted cloth hung at the back of a theater stage as part of the scenery

:
The artist designed a beautiful backcloth for the play.
The old theater still uses hand-painted backcloths.
2.

the background to an event or situation

:
The economic crisis formed the backcloth to the political unrest.
Against a backcloth of ancient ruins, the modern city thrived.