A debit card is a payment card that can be used in place of cash to make purchases. It is similar to a credit card, but unlike a credit card, the money for purchase must be in the cardholders bank account at the time of a purchase and is immediately transferred directly from that account to the merchants account to pay for the purchase. Debit card is also called check cards or bank cards, they can be used to buy goods or Services, or to get cash from an automated teller machine or a merchant who ll let you add and enter an amount onto a purchase. Debit cards are usually daily limits on the amount of cash that can be withdrawn. Most debit cards are plastic but there are cards made of metal, and rarely wood. Although you have to be aged at least 11 before you are allowed to own a debit card, most types of debit card are not available to fewer than 18. Customer satisfaction (often abbreviated as CSAT) is a term frequently used in marketing. It is a measure of how products and services supplied by a company meet or surpass customer expectation. Customer satisfaction is defined as the number of customers, or percentage of total customers, whose reported experience with a firm, its products, or its services (ratings) exceeds specified satisfaction goals