A card is a small piece of thick paper. People use cards to write messages for birthdays, holidays, or thanks. They are easy to hold and send.
She wrote a card for her friend.
I sent a birthday card yesterday.
This kind of card is made from plastic or thick paper. People use it to pay money or show who they are. Examples are credit cards and ID cards.
I paid with my credit card today.
She showed her ID card to the guard.
These cards are used to play many games. They have numbers, pictures, or symbols on them. People hold them in their hands during the game.
They played cards after dinner.
I have a red card in my hand.
A card in electronics is a small board inside devices like computers. It helps add parts like sound or graphics. These cards plug into machines to improve them.
The computer has a new graphics card.
Insert the sound card in the slot.
Learning cards help students remember information. One side has a question or word, and the other side has the answer. They are small and easy to use.
She studied English with flash cards.
The teacher gave us math cards to learn.
This card is a type of ticket or pass. It helps people get on buses or enter places. Sometimes you need to show it to get in.
He bought a bus card for travel.
Show your card before you enter.
To card someone means to check their ID or age. It is used in places where age verification is needed, like buying alcohol or entering clubs.
The cashier carded me for alcohol.
They carded everyone at the door.
A card in sports is a small colored card shown by a referee. It is a warning or punishment for players who break the rules. Yellow means warning, red means removal.
The player got a red card for fighting.
The referee showed a yellow card to him.