a piece of thick, stiff paper or thin pasteboard, in particular one used for writing or printing on.
some notes jotted down on a card
同义词：
cardboardpasteboardboardstiff paper
2
a small rectangular piece of plastic containing personal data in a machine-readable form and used to obtain cash or credit or to pay for a phone call, gain entry to a room or building, etc.
your card cannot be used to withdraw more than your daily limit from cash machines
