Definitions:
a piece of thick, stiff paper or thin pasteboard, in particular one used for writing or printing on

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.

a playing card

documents relating to an employee, especially for tax and national insurance, held by the employer.

a programme of events at a race meeting

a person regarded as odd or amusing

write (something) on a card, especially for indexing.

check the identity card of (someone), in particular as evidence of legal drinking age

(of an amateur athlete) be in receipt of government funding to pursue training

comb and clean (raw wool, hemp fibres, or similar material) with a sharp-toothed instrument in order to disentangle the fibres before spinning

a toothed implement or machine for carding wool.