card bearing an individual's title and address, sent or left in place of a formal personal or company see.
charge card, released often by phone organizations, in making regional and/or long-distance phone calls.
a card which is used as opposed to money which will make telephone calls
- a printed or written greeting that is left to indicate which you have visited
- an identifying characteristic or behavior
Megan dug some coins and her calling card from her purse.