# Split Module

> A technique for dividing a module into modules that each hold one reason to change.

Record: `lexicon:split-module`
Kind: technique
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-split-module

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Extract Module](https://banes-lab.com/records/lexicon/extract-module.md) and before [Move Behavior to Its Owner](https://banes-lab.com/records/lexicon/move-behavior-to-its-owner.md).

## Category

- [Core Modular Design](https://banes-lab.com/records/lexicon-category/core-modular-design.md)

## Refactors

- [Big Ball of Mud](https://banes-lab.com/records/architecture/big-ball-of-mud.md)
- [Divergent Change](https://banes-lab.com/records/architecture/divergent-change.md)
- [Directed Acyclic Graph](https://banes-lab.com/records/architecture/directed-acyclic-graph.md)
- [High Cohesion](https://banes-lab.com/records/architecture/high-cohesion.md)
- [Modularity](https://banes-lab.com/records/architecture/modularity.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Causality / Ordering / Distributed Time](https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md)
- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)