# Explicit Boundary

> The requirement that a clear boundary separate the domain from external systems it integrates with.

Record: `lexicon:explicit-boundary`
Kind: constraint
Layer: [Domain Modeling](https://banes-lab.com/records/layer/domain-modeling.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-explicit-boundary

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Transactional Consistency Boundary](https://banes-lab.com/records/lexicon/transactional-consistency-boundary.md) and before [Relationship Semantics](https://banes-lab.com/records/lexicon/relationship-semantics.md).

## Category

- [Domain Architecture](https://banes-lab.com/records/lexicon-category/domain-architecture.md)

## Required by

- [Anti-Corruption Layer](https://banes-lab.com/records/architecture/anti-corruption-layer.md)

## Linked from

- [Domain Architecture](https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md)