Tapestry is a form of textile art, traditionally woven by hand on a loom. Tapestry is weft-faced weaving, in which all the warp threads are hidden in the completed work, unlike most woven textiles, where both the warp and the weft threads may be visible. In tapestry weaving, weft yarns are typically discontinuous; the artisan interlaces each coloured weft back and forth in its own small pattern area. It is a plain weft-faced weave having weft threads of different colours worked over portions of the warp to form the design.
Tapestry is relatively fragile, and difficult to make, so most historical pieces are intended to hang vertically on a wall (or sometimes in tents), or sometimes horizontally over a piece of furniture such as a table or bed. Some periods made smaller pieces, often long and narrow and used as borders for other textiles. European tapestries are normally made to be seen only from one side, and often have a plain lining added on the back. However, other traditions, such as Chinese kesi and that of Pre-Columbian Peru, make tapestry to be seen from both sides. Most weavers use a natural warp thread, such as wool, linen or cotton. The weft threads are usually wool or cotton but may include silk, gold, silver, or other alternatives.