# Entity Tag

> A formal definition of the tag for a file that defines a domain object with an identity that persists while its attributes change, filed in an entities folder.

Record: `lexicon:entity-tag`
Kind: artifact
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-entity-tag

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Model Tag](https://banes-lab.com/records/lexicon/model-tag.md) and before [Value-Object Tag](https://banes-lab.com/records/lexicon/value-object-tag.md).

## Category

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