Definitions
1.nounOne's social heritage, or previous life; what one did in the past."The lawyer had a background in computer science."
2.nounA part of the picture that depicts scenery to the rear or behind the main subject; context.
3.nounInformation relevant to the current situation about past events; history.
4.nounA less important feature of scenery (as opposed to foreground)."The photographer let us pick a background for the portrait."
5.nounThe image or color over which a computer's desktop items are shown (e.g. icons or application windows).
6.nounA type of activity on a computer that is not normally visible to the user."The antivirus program is running in the background."
7.verbTo put in a position that is not prominent.
8.verbTo gather and provide background information (on).