A generic term for a continuous strand of textile fibers, filaments, or material in a form suitable for knitting, weaving, or otherwise intertwinging to form a textile fabric. Yarn occurs in the following forms: 1)a number of fibers twisted together ( spun yarn), 2) a number of filaments laid together without a twist ( a zero-twist yarn), 3) a number of filaments laid together with a degree of twist, 4) a single filament without twist ( monofilament) or 5) a narrow strip of material, such as paper, plastic film, or metal, with or without twist, intended for use by a textile construction.