The term 'Till Section' refers to the part of a retail store where money is handled. It is usually staffed by a cashier who is responsible for taking payments, counting change, and providing receipts. The two crossword solutions, TENS and ONES, refer to the denominations of currency that are typically handled in the till section. TENS refers to notes or coins of a value of ten units, while ONES refers to notes or coins of a value of one unit.