A debit card is like a check, from which money is deducted from your personal savings account. Rather, credit refers to money received as a loan by the bank to the customer, which must be repaid, with interest at a later date.
Sale is when they lower the current price for a lower price
Card Machine It is a compact device that, installed in a commercial establishment or store, allows you to charge your customers (by telephone network, or IP via GSM, GPRS, Wi-Fi, etc.) by credit or debit card.
Cash is called money in the form of coins or paper money that is used to make payments in cash or money.
A customer is the person or company receiving a good, service, product or idea, in exchange for money or another item of value.
