1. Charges: refers to your stay in the hotel during the expenses incurred, including room charges, food and beverage charges, laundry services, telephone charges and so on.
2. Credits: refers to the amount of money that the hotel credits or discounts your expenses, for example, you may have a membership card or coupon from the hotel, or your room is a special rate room, which allows you to enjoy certain discounts or benefits.
3. Balance: The remaining amount you need to pay, which is the difference between the total amount of your bill and what you have already paid. If you have already paid some or all of the charges, then Balance will show you the amount you still need to pay.
Please note that this is only one possible interpretation and the exact items and meanings may vary from hotel to hotel. If you have any questions or need to know the meaning of a specific hotel's billing program, please contact the hotel's front desk staff.