The term 'strand of cotton' can be summarized as a THREAD of cotton fibers. Cotton is a natural fiber that is grown in warm climates and is used to make fabrics, yarns, and other textiles. It is one of the most widely used fibers in the world and is known for its softness and durability. The term 'THREAD' is often used to refer to a single strand of cotton fibers, which can be used to create fabrics, yarns, and other textiles.