అర్థం : A card that is used instead of cash to make telephone calls.
పర్యాయపదాలు : phone card
అర్థం : A printed or written greeting that is left to indicate that you have visited.
పర్యాయపదాలు : card, visiting card
అర్థం : A distinguishing characteristic or behavior.
							ఉదాహరణ : 
							Bombs are a terrorist's calling cards.