backdrop
US /ˈbæk.drɑːp/
UK /ˈbæk.drɑːp/
1.
a painted cloth hung at the back of a theater stage as part of the scenery
:
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The play used a beautiful hand-painted backdrop of a forest.
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The photographer set up a plain white backdrop for the portraits.
2.
the setting or background for a scene, event, or situation
:
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The mountains provided a stunning backdrop for the wedding photos.
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The economic crisis formed the backdrop to the political discussions.