A pattern is a regularity in the world, in human-made design, or in abstract ideas. As such, the elements of a pattern repeat in a predictable manner. A geometric pattern is a kind of pattern formed of geometric shapes and typically repeated like a wallpaper design.
Snowflake sixfold symmetry
Aloe polyphylla phyllotaxis
Vortex street turbulence
Dune ripple
Wallpaper is used in interior decoration to cover the interior walls of domestic and public buildings. It is usually sold in rolls and is applied onto a wall using wallpaper paste. Wallpapers can come plain as "lining paper" to help cover uneven surfaces and minor wall defects, "textured", plain with a regular repeating pattern design, or with a single non-repeating large design carried over a set of sheets.
The traditional hand-blocking technique, France in 1877
Hand-painted Chinese wallpaper showing a funeral procession, made for the European market, c. 1780
'Sauvages de la Mer Pacifique', panels 1-10 of woodblock printed wallpaper designed by Jean-Gabriel Charvet and manufactured by Joseph Dufour
"Artichoke" wallpaper by Morris and Co, designed by John Henry Dearle