An unusual beautiful rock on the background of the seaAn unusual beautiful rock on the background of the sea
The coast with houses on the background of the sea and green hillsThe coast with houses on the background of the sea and green hills
A field with yellow flowers and a forest in the backgroundA field with yellow flowers and a forest in the background
Sunset in the mountains against the background of a winter forestSunset in the mountains against the background of a winter forest
Landscape. green forest on the background of mountainsLandscape. Green forest on the background of mountains
Основной цвет, тон, на к-ром пишется картина. Задний план картины. Общие условия, обстановка, где что-н. происходит ( книжн. ). Единица степени громкости.