Card might refer to any of the following game aids:
- Playing cards, which may be used instead of dice as a randomiser in resolution mechanics.
- Index cards, which may be placed on the table and marked with notes or other game-relevant information.
- Card stock, a slightly thicker form of paper stock that might be used to create either of the above.
- Cardboard, a thick material that can be used to construct other game aids such as boxes, props or dioramas.
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