The human foot is composed of many parts, some of which are represented in the crossword solutions for the term FOOT PART. The instep is the top surface of the foot between the toes and the ANKLE. The TOE is the digit at the end of the foot. The SOLE is the bottom of the foot. The HEEL is the back of the foot. The ARCH is the curved part of the foot. The INCH is a unit of length used to measure the size of the foot. The ANKLE is the joint connecting the foot to the leg. INH is an abbreviation for the interosseous nerve of the foot. PES is an abbreviation for the posterior tibial artery of the foot. Pedi is an abbreviation for pedicure, a beauty treatment for the feet. The big TOE is the largest TOE on the foot. The toenail is the nail on the TOE. The heelbone is the bone at the back of the foot. The metatarsus is the group of bones in the middle of the foot.