noun
definition
One's social heritage, or previous life; what one did in the past.
example
The lawyer had a background in computer science.
definition
A part of the picture that depicts scenery to the rear or behind the main subject; context.
definition
Information relevant to the current situation about past events; history.
definition
A less important feature of scenery (as opposed to foreground).
example
The photographer let us pick a background for the portrait.
definition
The image or color over which a computer's desktop items are shown (e.g. icons or application windows).
definition
A type of activity on a computer that is not normally visible to the user.
example
The antivirus program is running in the background.