# Attribute Definitions

> Declared descriptions of the subject, resource, action, and environment attributes that an access policy evaluates.

Record: `lexicon:attribute-definitions`
Kind: artifact
Layer: [Security Core](https://banes-lab.com/records/layer/security-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-attribute-definitions

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Assets](https://banes-lab.com/records/lexicon/assets.md) and before [Authenticated Principal](https://banes-lab.com/records/lexicon/authenticated-principal.md).

## Category

- [Security Privacy Compliance](https://banes-lab.com/records/lexicon-category/security-privacy-compliance.md)

## Required by

- [ABAC](https://banes-lab.com/records/architecture/attribute-based-access-control.md)

## Linked from

- [Security / Privacy / Compliance / Governance](https://banes-lab.com/ontology/principles/architecture-category-security-privacy-compliance-governance.md)