This is the 18703rd most frequent Korean word.
신용카드
Credit card.
In this sentence, '신용카드' is used to refer to the tool used for completing a monetary transaction.
저는 신용카드를 사용해서 물건을 샀어요.
I used a credit card to purchase an item.
Here, '신용카드' represents the physical object that serves as a medium for financial transactions.
은행에서 새 신용카드를 발급받았습니다.
I received a new credit card issued by the bank.
In this case, '신용카드' denotes the concept of utilizing credit cards for payments.