The term 'boot part' refers to the various components that make up a boot. The crossword solutions for this term include 'SPUR' (4 letters), 'toecap' (6 letters), 'insole' (6 letters), 'SOLE' (4 letters), 'instep' (6 letters), 'ARCH' (4 letters), 'HEEL' (4 letters), 'TOE' (3 letters), and 'UPPER' (5 letters). The SPUR is a metal or plastic piece that extends from the HEEL of the boot, while the toecap is a protective covering at the front of the boot. The insole is the inner lining of the boot, while the SOLE is the bottom of the boot. The instep is the area between the TOE and the ARCH, which is the curved part of the foot. The HEEL is the back of the boot, while the TOE is the front of the boot. The LACE is the string used to tie the boot together, and the UPPER is the top part of the boot.