# Preserve Only Real Boundaries

> A technique for keeping an abstraction only where it separates parts that change for different reasons.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Collapse Layers](https://banes-lab.com/records/lexicon/collapse-layers.md) and before [Split by Domain](https://banes-lab.com/records/lexicon/split-by-domain.md).

## Category

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

## Refactors

- [Over-Abstraction](https://banes-lab.com/records/architecture/over-abstraction.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)