The document discusses the key functions and processes of guest billing and front office accounting in a hotel. It outlines how the hotel must maintain accurate records of all guest financial transactions to ensure bills are properly settled. This includes tracking charges to guest room accounts as well as 'city' or non-resident accounts. The front office accounting system is crucial for monitoring credit limits, preventing fraud, and providing management information on revenues. Various terms, account types, charge posting methods, and verification processes are defined to clearly illustrate guest billing operations.