Package-fastening rope is a type of rope used to secure packages for shipping or storage. It is commonly referred to as TWINE, which is a five-letter word that can be used to solve the crossword puzzle. TWINE is a strong, thin cord made from two or more strands of fibers twisted together. It is often used in packaging and other applications where strength and flexibility are needed. TWINE is also used in crafts, such as knitting and crocheting.