Information relevant to the current situation about past events; history.
One's social heritage, or previous life; what one did in the past.
The image or color over which a computer's desktop items are shown (e.g. icons or application windows).
A part of the picture that depicts scenery to the rear or behind the main subject; context.
A less important feature of scenery (as opposed to foreground).
A type of activity on a computer that is not normally visible to the user.
Less important or less noticeable in a scene or system.
To put in a position that is not prominent.
To gather and provide background information (on).
Facts, skills and ideas that have been learned, especially through formal instruction.
The process of imparting knowledge, skill and judgment.