Background vs. Wallpaper

Difference Between Background and Wallpaper
Backgroundadjective
Less important in a scene.
background noise.Wallpapernoun
(uncountable) Decorative paper-like material used to cover the inner walls of buildings.
Backgroundnoun
One's social heritage, or previous life; what one did in the past.
The lawyer had a background in computer science.Wallpapernoun
(countable) A roll of such paper.
Backgroundnoun
A part of the picture that depicts scenery to the rear or behind the main subject; context.
Wallpapernoun
(countable) A style or design of such material.
He is letting her select the wallpapers for the whole house.Backgroundnoun
Information relevant to the current situation about past events; history.
Wallpapernoun
Anything that serves as a background or part of the surroundings.
Backgroundnoun
A less important feature of scenery (as opposed to foreground).
There was tons of noise in the background.The photographer let us pick a background for the portrait.Wallpapernoun
An image or tiled pattern used as the background of a computer desktop.
Backgroundnoun
(computing) The image or color over which a computer's desktop items are shown (e.g. icons or application windows).
Wallpapernoun
Generic footage of a building or location that may be used in the background of a related news report.
Backgroundnoun
(computing) A type of activity on a computer that is not normally visible to the user.
The antivirus program is running in the background.Wallpapernoun
Gaudy mass-produced stamps, typically of little or no value and only produced for sale to collectors.
Backgroundverb
To put in a position that is not prominent.
Wallpapernoun
A radio operator's collection of awards and QSL cards.
Backgroundverb
(journalism) To gather and provide background information (on).
Wallpaperverb
(transitive) To cover (a wall, a room, etc) with wallpaper.
Backgroundnoun
a person's social heritage: previous experience or training;
he is a lawyer with a sports backgroundWallpapernoun
a decorative paper for the walls of rooms
Backgroundnoun
the part of a scene (or picture) that lies behind objects in the foreground;
he posed her against a background of rolling hillsWallpaperverb
cover with wallpaper
Backgroundnoun
information that is essential to understanding a situation or problem;
the embassy filled him in on the background of the incidentBackgroundnoun
extraneous signals that can be confused with the phenomenon to be observed or measured;
they got a bad connection and could hardly hear one another over the background signalsBackgroundnoun
relatively unimportant or inconspicuous accompanying situation;
when the rain came he could hear the sound of thunder in the backgroundBackgroundnoun
the state of the environment in which a situation exists;
you can't do that in a university settingBackgroundnoun
(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
Backgroundnoun
scenery hung at back of stage
Backgroundverb
understate the importance or quality of;
he played down his royal ancestry