Yarn -

is the general term for the continuous strand used in weaving, knitting, and crocheting.

The Art and Science of Yarn: From Ancient Fibers to Modern Innovation is the general term for the continuous strand

While the terms are often used interchangeably in casual conversation, there is a technical distinction between and thread : is the general term for the continuous strand

The transformation from raw material to finished yarn involves a rhythmic "dance between tradition and innovation". is the general term for the continuous strand