# Effect Boundaries

> The requirement that side effects be confined to explicit boundaries rather than scattered through pure logic.

Record: `lexicon:effect-boundaries`
Kind: constraint
Layer: [Atomic Boundary](https://banes-lab.com/records/layer/atomic-boundary.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-effect-boundaries

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Data Sharing](https://banes-lab.com/records/lexicon/data-sharing.md) and before [Performance Optimization](https://banes-lab.com/records/lexicon/performance-optimization.md).

## Category

- [Transactions / State / Concurrency](https://banes-lab.com/records/lexicon-category/transactions-state-concurrency.md)

## Required by

- [Controlled Side Effects](https://banes-lab.com/records/architecture/controlled-side-effects.md)

## Linked from

- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)