# Maintainability

> The ease with which a system can be corrected, adapted, and extended over its lifetime.

Record: `lexicon:maintainability`
Kind: quality-attribute
Layer: [Human Factors](https://banes-lab.com/records/layer/human-factors.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-maintainability

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Debuggability](https://banes-lab.com/records/lexicon/debuggability.md) and before [Complexity](https://banes-lab.com/records/lexicon/complexity.md).

## Category

- [Quality Attributes](https://banes-lab.com/records/lexicon-category/quality-attributes.md)

## Enabled by

- [Separation of Concerns](https://banes-lab.com/records/architecture/separation-of-concerns.md)
- [Do Not Repeat Yourself](https://banes-lab.com/records/architecture/duplicate-code.md)
- [Manual Identity Migration](https://banes-lab.com/records/architecture/manual-identity-migration.md)

## Reinforced by

- [Design Review](https://banes-lab.com/records/architecture/design-review.md)
- [Pattern Consistency](https://banes-lab.com/records/architecture/pattern-consistency.md)

## In tension with

- [Performance Engineering](https://banes-lab.com/records/architecture/performance-engineering.md)
- [Performance Engineering / Maintainability](https://banes-lab.com/records/tension/maintainability-performance-engineering.md)

## Linked from

- [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md)
- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)
- [Architecture Review / Evolution / Governance Artifacts](https://banes-lab.com/ontology/principles/architecture-category-architecture-review-evolution-governance-artifacts.md)
- [Scalability / Performance / Optimization](https://banes-lab.com/ontology/principles/architecture-category-scalability-performance-optimization.md)
- [Taxonomy / Classification / Naming](https://banes-lab.com/ontology/principles/architecture-category-taxonomy-classification-naming.md)
- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)
- [The resolutions](https://banes-lab.com/ontology/schema/the-resolutions.md)