background pattern
nounUK /ˈbæk.ɡraʊnd ˈpæt.ən/
US /ˈbæk.ɡraʊnd ˈpæt.ɚn/
A background pattern is a design that repeats behind the main thing you see.
The wallpaper had a background pattern of tiny blue flowers.
OTHER MEANINGS
2. In computing, a repeating image or design set behind icons and windows on a screen.
She changed her desktop background pattern to a starry sky.
3. In art and design, the underlying repeated decoration on which foreground elements are placed.
The artist painted a subtle background pattern before adding the main figures.
4. In textiles, a woven or printed repeat used as the base layer of a fabric design.
The curtain fabric has a faint background pattern of thin stripes.