a small, rectangular piece of stiff paper or plastic with information on it that shows who you are or allows you to do something
I don't have any cash - can I put this on (= pay using) my (credit/charge) card?
A lot of shops won't accept cheques unless you have a cheque card with you.
Jane handed the security guard her identification card to gain access to the restricted area of the office building.
As a frequent traveler, Mark always made sure to carry his credit card, providing a convenient and widely accepted means of payment during his journeys.
The conference attendees exchanged business cards as a customary practice, ensuring they could easily connect and network after the event.