An "overdraft" means spending more money than you have available in your bank account. It's when you borrow money from the bank temporarily to cover expenses, resulting in a negative balance. Full definition
Other fees include overdraft fees, cross border transactions, expedited delivery and returned checks. (magnifymoney.com)
The easiest way to difference bounce protection from overdraft protection is that it is not linked to any of your other accounts and your are automatically enrolled. (starloanservices.com)
The average bank fee for overdraft protection is $ 30 - $ 35 each time it occurs. (debt.org)