# Policy

> A declared set of rules governing what actions are permitted or denied within a system.

Record: `lexicon:policy`
Kind: constraint
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Aliases: Policies
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-policy

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Plugins](https://banes-lab.com/records/lexicon/plugins.md) and before [Pub/Sub](https://banes-lab.com/records/lexicon/pub-sub.md).

## Category

- [Core Vocabulary](https://banes-lab.com/records/lexicon-category/core-vocabulary.md)

## Required by

- [Control Plane](https://banes-lab.com/records/architecture/control-plane.md)
- [Authorization](https://banes-lab.com/records/architecture/authorization.md)
- [Governance](https://banes-lab.com/records/architecture/governance.md)

## Linked from

- [Control / Coordination / Centralization](https://banes-lab.com/ontology/principles/architecture-category-control-coordination-centralization.md)
- [Model Architecture](https://banes-lab.com/ontology/principles/architecture-category-model-architecture.md)
- [Security / Privacy / Compliance / Governance](https://banes-lab.com/ontology/principles/architecture-category-security-privacy-compliance-governance.md)
- [Core Vocabulary](https://banes-lab.com/ontology/lexicon/lexicon-category-core-vocabulary.md)
- [Domain Concerns](https://banes-lab.com/ontology/lexicon/lexicon-category-domain-concerns.md)