The term 'TOP PART OF A SHOE' can be summarized by the crossword solution 'VAMP', which is a four-letter word. The VAMP of a shoe is the upper part of the shoe that covers the toes and instep. It is usually made of leather, fabric, or synthetic materials and is often decorated with stitching or other embellishments. The VAMP is an important part of the shoe as it provides support and protection for the foot.