# card (paper)

a small flat piece of material with information on it

- Computed level: L16 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: everyday  ·  Arena: EmergenceLexicon

## Emergence
**Emerges from:** [material](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-material.physical), [information](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-information.knowledge), [flat](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-flat.commonsurfacegeometry), [piece](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-piece.portion), [small](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-small.size)

**Through:** material is arranged flat and information is put onto it

**Novel properties:**
- inscribed surface
- portable information medium
- structured physical token

## Examples
- A playing card from the 1840 Hoyle deck lists suit and rank in standard notation. *(everyday life)*
- The Library of Congress uses 3x5 inch catalog cards to index books, handwritten until 1980. *(institutions)*
- An ATM receipt printed on thermal paper in Tokyo on March 14, 2023, shows a 10,000 yen withdrawal. *(computing)*

## Used by
- [poker](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-poker.game) (L17)

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-card.paper*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-card.paper.json*  
*Every definition provably resolves to space, time, energy and pattern.*