"Animated backgrounds" refer to moving or dynamic images or videos that are used as the backdrop or wallpaper on computer screens, websites, or mobile devices. Full definition
The graphics will also be improved significantly with animated backgrounds, new lighting effects and changes and backgrounds that react to the action going on in the foreground. (gamingreinvented.com)
Each of the court doesn't offer any difference in term of gameplay but does provide a nice animated background for the matches. (gearnuke.com)
The character models looked great and the animations were smoother, but the 3D animated backgrounds tended to distract from the actual fighting and could make it hard to follow what was going on. (toucharcade.com)