What is Cards?

Legal Definition
Crim. law. Small square pasteboards, generally of a fine quality, on which are painted figures of various colors, and used for playing different games. The playing of cards for amusement is not forbidden, but gaming for money is unlawful. Vide Faro bank, and Gaming.
-- Bouviers Law Dictionary
Legal Definition
In criminal law. Small papers or pasteboards of an oblong or rectangular shape, on which are printed figures or points, used in playing certain games. See Estes v. State, 2 Humph. (Tenn.) 496; Commonwealth v. Arnold, 4 Pick. (Mass.) 251; State v. Herryford, 19 Mo. 377; State v. Lewie, 12 Wis. 434.
-- Black's Law Dictionary