The term card
(from Greek χάρτης
, "paper, papyrus"), primarily refers to cardboard
or a piece of this.
More generally, the term can refer to any of various small flat objects, typically made from heavy paper or plastic. In particular:
- Business card, a wallet sized card containing contact information for a person or business
- Cigarette card, a trading card used to reinforce cigarette packaging
- Common Access Card (CAC), a Department of Defense (DoD) access & ID Card; contains a computer chip.
- Credit card, a plastic card for purchasing items on credit
- Debit card, a plastic card for purchasing items using money in a bank account
- Expansion card or computer card, a computer hardware component or device, attached generally inside a computer, that provides added functionality, such as a graphics card or sound card
- File card (tool), a metal brush used to clean the cutting grooves on files
- Gift card, usually plastic payment tool that is mailed or given to a relative, friend, or associate as a method of purchasing within stores
- Greeting card, usually folded paper that is mailed or given to a relative, friend, or associate to express a message of greeting, appreciation, or some other sentiment
- Health card, a token to be used as patient data card (PDC) or health professional card (HPC)
- ID card, an identity document
- Index card, a card for creating and organizing notes in a stack, usually for a research project
- Library card, a card used to borrow books or other media from a library
- Memory card, a data storage device used with digital cameras, computers, telephones, music players, video game consoles, and other electronics
- Penalty cards for rule violations in several sports, e.g. red card or yellow card
- Playing card, a card, typically made of laminated paper, used for playing games
- Policy debate card, a piece of evidence in policy debate
- Postcard, a card used for sending messages in the mail without use of an envelope
- Punch card, an obsolete method for storing data
- Raising card, a spiked brush-like tool used to straighten out wool, hemp, etc.
- SIM card, a smart card identifying a mobile phone service subscriber
- Smart card, a plastic card containing a computer chip (also known as a Key Card)
- Trading card, a card used for trading or collecting, or for use in a collectible card game
- Value card, a self-help device listing behavior changes the bearer wants to make
- Visiting card, aka calling card, a more personal version of a business card
Non-physical analogues of physical cards:
- E-card, an electronic version of a greeting card or postcard
- Test card, also known as a test pattern, a television test signal, typically broadcast at times when the transmitter is active, but no programmes are being broadcast
- The CARDS programme (Community Assistance for Reconstruction Development and Stabilisation), the European Union's main financial assistance instrument to the Western Balkans.
- Caspase recruitment domains, or CARD domains, are interaction motifs found in a wide array of proteins.
- Wolfson Centre for Age-Related Diseases