Front

impulse buying

Back

buying something without planning to do so in advance, on a whim

Front

revolving charge account

Back

a credit card account that does NOT have to be paid in full each month, but accrues finance charges when is not (paid in full each month)

Front

charge card

Back

a credit card that does have to be paid in full each month (and interest is NOT charged)

Front

debit card

Back

a card that serves as an electronic check; money comes from the holder's account (NOT credit).