# Data Semantics

> The requirement that the meaning and dependencies of data be understood before it is decomposed into relations.

Record: `lexicon:data-semantics`
Kind: constraint
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-data-semantics

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Duplicated Authority](https://banes-lab.com/records/lexicon/duplicated-authority.md) and before [Denormalized Read Models](https://banes-lab.com/records/lexicon/denormalized-read-models.md).

## Category

- [Schema / Canonical Data / Semantics](https://banes-lab.com/records/lexicon-category/schema-canonical-data-semantics.md)

## Required by

- [Normalization](https://banes-lab.com/records/architecture/normalization.md)

## Linked from

- [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md)