| A | B |
| Interest | the charge for borrowing money |
| Balance Transfers | transferring debt from one credit card to another |
| Over-the-limit fee | charged if the account balance goes over the set credit limit |
| Credit Limit | the maximum amount of charges allowed to an account |
| Annual Percentage Rate (APR) | the cost of credit expressed as a yearly interest rate |
| Introductory rate | the interest rate that may be charged right after a credit card account is opened |
| Variable-rate APR | An interest rate that may change depending on other factors, such as the prime rate |
| Annual Fee | A yearly fee that may be charged for having a credit card |
| Late-payment fee | charged when a cardholder fails to make the minimum monthly payment by the due date |
| Penalty APR | The interest rate charged on new transactions if the penalty terms in the credit card contract are triggered |