A film that contains a static picture/element or object that is consistently visible in a still state.
(Ex. Channel number, TV station logo, program title, news and movie captions, etc.)
A film/image that contains a fixed menu, icon display for games or set-top box display.
Film ratio, such as 4:3 or 21:9, in which black bars appears on the left/right or top/bottom of the screen.