backgroundpanel
nounUK /ˈbæk.ɡraʊnd ˌpæn.əl/
US /ˈbæk.ɡraʊnd ˌpæn.əl/
A flat piece that sits behind something to make it look nicer or to show where it is.
The teacher put a blue background panel behind the class display.
RELATED WORDS
OTHER MEANINGS
2. A flat board placed behind a stage or set to create a scene.
The crew painted a forest on the background panel for the school play.
3. A section of a computer screen or app that sits behind the main content.
You can change the background panel color in the settings menu.
4. A decorative board fixed behind a shelf or fireplace.
They added a wooden background panel behind the bookshelf.