অর্থ : A card that is used instead of cash to make telephone calls.
সমার্থক : phone card
অর্থ : A printed or written greeting that is left to indicate that you have visited.
সমার্থক : card, visiting card
অর্থ : A distinguishing characteristic or behavior.
উদাহরণ :
Bombs are a terrorist's calling cards.
Calling card meaning in Bengali (Bangla).