# skill (ability)

a learned ability to perform actions in a place

- Computed level: L20 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: common  ·  Arena: skill.ability

## Emergence
**Emerges from:** [learn](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-learn.cognitive), [experience](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-experience.cognitive), [ability](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-ability.capacity), [act](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-act.deed), [space](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-space.extent)

**Through:** learn.cognitive and experience.cognitive together enable the development of an ability.capacity that allows for act.deed within space.extent

**Novel properties:**
- contextual competence
- practical efficacy
- situated readiness

## Examples
- A Tokyo subway operator trains for earthquake response drills every quarter since 1995. *(institutions)*
- Mozart composed symphonies by age eight after years of guided practice with his father. *(everyday life)*
- The Mars Curiosity rover adjusts its driving path using software learned from 10,000 Earth-based terrain simulations. *(engineering)*

## Used by
- [career](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-career.occupation) (L21)
- [practice](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-practice.skill) (L21)
- [pro](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-pro.professional) (L21)
- [technical](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-technical.skill) (L23)

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