Credit card cards. Merchants often advertise which cards they accept by displaying acceptance marks – generally derived from logos – or this may be communicated in signage in the establishment or in company material (e.g., a restaurant's menu may indicate which credit cards are accepted). Merchants may also communicate this orally, as in "We take (brands X, Y, and Z)" or "We don't take credit cards". The credit card issuer issues a credit card to a customer at the time or after an account has been approved by the credit provider, which need not be the same entity as the card issuer.
Credit card a charge card also in that a credit card typically involves a third-party entity that pays the seller and is reimbursed by the buyer, whereas a charge card simply defers payment by the buyer until a later date. The size of most credit cards is 85.60 mm × 53.98 mm ( × inches) and rounded corners with a radius of 2.88–3.48 mm, conforming to the ISO/IEC 7810 ID-1 standard, the same size as ATM cards and other payment cards, such as debit cards. Credit cards have a printed or embossed bank card number complying with the ISO/IEC 7812 numbering standard.