The part of a scene (or picture) that lies behind objects in the foreground; SYN. Relatively unimportant or inconspicuous accompanying situation. A person's social heritage: previous experience or training.

Glyuk melodiya noti dlya fortepiano. PpkIfBjldCdRにお住まいの Ryah さんの記帳 2rand[0,1,1]歳 ﾂ男性: 2016年04月28日(木) 12時02分.

Information that is essential to understanding a situation or problem; SYN. Background knowledge.

Extraneous signals that can be confused with the phenomenon to be observed or measured; SYN. Background signal.

(Computer science) The area of the screen in graphical user interfaces against which icons and windows appear; SYN. Desktop, screen background. Backing [ imenica ].