bg

noun

1. 1

   One's social heritage, or previous life; what one did in the past.

   “The lawyer had a background in computer science.”

2. 2

   A part of the picture that depicts scenery to the rear or behind the main subject; context.

3. 3

   Information relevant to the current situation about past events; history.

4. 4

   A less important feature of scenery (as opposed to foreground).

   “The photographer let us pick a background for the portrait.”

5. 5

   The image or color over which a computer's desktop items are shown (e.g. icons or application windows).

6. 6

   A type of activity on a computer that is not normally visible to the user.

   “The antivirus program is running in the background.”