The term 'Swiss Army Knife's Many USES' refers to the many functions of the iconic Swiss Army Knife. The Swiss Army Knife is a pocket knife that was originally created for the Swiss Army in the late 19th century. It has since become a popular tool for everyday use, due to its versatility and portability. The four letter answer to this crossword puzzle is 'TOOLS', which accurately describes the many USES of the Swiss Army Knife. It contains a variety of TOOLS such as a blade, screwdriver, can opener, scissors, and more, making it an ideal tool for a variety of tasks.