The term 'ARCH LOCALES' can be broken down into two crossword solutions: INSTEPS (7 letters) and SOLES (5 letters). INSTEPS refers to the inner arch of the foot, which is the area between the ball of the foot and the heel. SOLES, on the other hand, refers to the bottom of the foot, which is the area that makes contact with the ground when walking. Both of these terms are commonly used in the medical field to describe different parts of the foot.