A flying bird on the background of the sun going downA flying bird on the background of the sun going down
Caves tunnels bathed in the sun against the background of a green forestCaves tunnels bathed in the sun against the background of a green forest
Landscape of mountains on the background of a mirror lakeLandscape of mountains on the background of a mirror lake
Lighthouse on the background of a beautiful sunsetLighthouse on the background of a beautiful sunset
The play of shadows against the background of the night glowThe play of shadows against the background of the night glow
A man on the background of water and a row of treesA man on the background of water and a row of trees
Основной цвет, тон, на к-ром пишется картина. Задний план картины. Общие условия, обстановка, где что-н. происходит ( книжн. ). Единица степени громкости.