LEARNit Dictionary

calling card

noun
1
(especially in the past) a small card with your name on it that you leave with somebody after, or instead of, a formal visit
کارت ویزیت, کارت بازدید
2
a sign, such as an action or a piece of work, that identifies somebody or shows what they can do
نشانه مشخصه, نشانه عملکرد, امضا فردی
Bright, bold colours and shapes are his calling card.
The floods were the calling card of climate change.
The pair created the film as a calling card for a bigger project that they have planned.
3
a plastic card that you can use in some public phones instead of money
کارت تلفن, کارت اعتباری تلفن, کارت تلفن عمومی
4
a card with a number on it that you use in order to pay to make a call from any phone. The cost of the call is charged to your account and you pay it later.
کارت تلفن, کارت تماس