(optometry) A card printed with various letters or symbols, used in testing vision.

Alternative form of ecard

One of a set of twenty-five cards, each featuring one of five symbols (circle, plus sign, square, star, wavy lines), used by researchers to test claims of ESP or remote viewing.

A greeting card sent to family members of one who has died to express regret.

(poker, chiefly in the plural) Any of the cards which appear on the board and can be a part of any player's hand.

A gift certificate in the form of a card issued by retailers as an alternative to a non-monetary gift, allowing the bearer to purchase goods up to its face value.

A keycard.

plural of card key

A sympathy card.

A card, in any of various games, with instructions to be followed by a player whose token lands on a "chance" space, usually affording them some chance opportunity or inflicting upon them some chance misfortune.