A set of threads called the warp form the base of the cloth.

VOA: special.2009.11.04

They are set into the earth. They meet to form a wide V.

VOA: special.2009.05.25

The lines do not follow any set form.

VOA: special.2009.04.12

Some of the best mosaics in Egypt date to ancient Rome, but the art form was used in the jewelry set of the Pharoah Tutankhamun.

VOA: standard.2010.07.30