What is the meaning of Wallpaper?

Decorative paper-like material used to cover the inner walls of buildings.

A roll of such paper.

A style or design of such material.

Anything that serves as a background or part of the surroundings.

An image or tiled pattern used as the background of a computer desktop.

Generic footage of a building or location that may be used in the background of a related news report.

Gaudy mass-produced stamps, typically of little or no value and only produced for sale to collectors.

A radio operator's collection of awards and QSL cards.

To cover (a wall, a room, etc) with wallpaper.

Source: wiktionary.org