The term ATM ENTRY is a combination of three words: ATM, ENTRY, and PIN. The acronym ATM stands for Automated Teller Machine, which is a machine that allows customers to access their bank accounts and withdraw money. ENTRY refers to the process of entering information into the machine, such as a PIN (Personal Identification Number) or a card. Finally, PIN is an acronym for Personal Identification Number, which is a unique code used to authenticate a customer's identity when accessing their bank account.