A playing card is a piece of specially prepared heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic, marked with distinguishing motifs and used as one of a set for playing card games. Playing cards are typically palm-sized for convenient handling. A complete set of cards is called a pack (UK English), deck (US En... Found on http://en.wikipedia.org/wiki/Playing_card
one of a set of cards that are numbered or illustrated (or both) and are used for playing games, for education, for divination, and for conjuring.[2 related articles] Found on http://www.britannica.com/eb/a-z/p/79