The term 'Hemp Source' can be summarized by the crossword solution 'SISAL'. SISAL is a type of agave plant native to southern Mexico and Central America. It is used to make rope, twine, and other products. The fibers from the SISAL plant are also used to make paper, fabric, and other materials. Hemp is a variety of cannabis sativa that is grown for its fiber and seeds. Hemp is used to make a variety of products including clothing, paper, and rope. Hemp is a sustainable source of fiber and is often used as an alternative to traditional materials such as cotton and synthetic fibers. Hemp and SISAL are both renewable sources of fiber and can be used to create a variety of products.