The inscription with the offer on a red backgroundThe inscription with the offer on a red background
Space shuttle on the background of the earth's surfaceSpace shuttle on the background of the earth's surface
A pale barely visible light spot on a black backgroundA pale barely visible light spot on a black background
Three white horses on the sea and the starry background of the black skyThree white horses on the sea and the starry background of the black sky
Wallpaper, screensaver, desktop on a dark blue backgroundWallpaper, screensaver, desktop on a dark blue background
Основной цвет, тон, на к-ром пишется картина. Задний план картины. Общие условия, обстановка, где что-н. происходит ( книжн. ). Единица степени громкости.