# keep (maintenance)

to make something persist in a place or state

- Computed level: L5 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: common  ·  Arena: verb

## Emergence
**Emerges from:** [persist](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-persist.continue), [control](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-control.ability), [make](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-make.verb), [space](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-space.extent), [state](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-state.condition)

**Through:** control directs the persistence of something across space and time, constraining its state through active maintenance.

**Novel properties:**
- ongoing restraint against change
- sustained spatial or condition bound
- directed persistence

## Examples
- The International Space Station maintains orbit at 400 km altitude through periodic reboosts from docked spacecraft. *(engineering)*
- Cyanobacteria in Lake Vostok, Antarctica, maintain metabolic activity at -2C using geothermal heat. *(biology)*
- The Python 2.7 programming language was maintained with security updates until its official end-of-life in 2020. *(computing)*

## Used by
- [bank](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-bank.financial) (L17)
- [case](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-case.container) (L6)
- [constraint](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-constraint.limiting) (L12)
- [container](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-container.object) (L6)
- [corruption](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-corruption.process) (L15)
- [factor of safety](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-factor-of-safety.margin) (L15)
- [files](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-files.digital) (L10)
- [harmony](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-harmony.relational) (L15)
- [healthy](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-healthy.condition) (L15)
- [hold](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-hold.physical) (L13)
- [insurance](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-insurance.financial) (L18)
- [integrity](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-integrity.state) (L18)
- [life](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-life.biological) (L15)
- [memory](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-memory.cognitive) (L20)
- [persistence](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-persistence.endurance) (L16)
- [precarious](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-precarious.unstable) (L15)
- [private](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-private.social) (L6)
- [proportion](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-proportion.relation) (L18)
- [protection](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-protection.security) (L16)
- [records](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-records.document) (L11)
- [reserved](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-reserved.allocation) (L7)
- [save](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-save.preservation) (L6)
- [storage](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-storage.physical) (L7)
- [store](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-store.place) (L12)
- [supplies](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-supplies.resource) (L7)

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