Difference between stamp and card in Korean
도장·카드
도장stamp
A 도장 is a stamp that makes a mark on paper. At school, teachers often use it on homework, notebooks, or reward charts. People also use stamps for names, simple approval, or official papers.
카드card
A card (카드) is a small, flat piece of plastic or paper. People use cards in many ways, like paying for things, riding the bus, or showing their name or ID. The exact meaning depends on the situation, so it can mean a bank card, bus card, student card, or playing card.
The difference
A 카드 is a piece of paper or plastic, like an ID card or point card. A 도장 is not a card; it is used to leave a mark on something.