# Extract Use Case

> A technique for moving one business operation into an application service that coordinates the domain and its ports.

Record: `lexicon:extract-use-case`
Kind: technique
Layer: [Domain Modeling](https://banes-lab.com/records/layer/domain-modeling.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-extract-use-case

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Move Logic to the Domain](https://banes-lab.com/records/lexicon/move-logic-to-the-domain.md) and before [Extract Domain Model](https://banes-lab.com/records/lexicon/extract-domain-model.md).

## Category

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

## Refactors

- [Feature Envy](https://banes-lab.com/records/architecture/feature-envy.md)
- [Transaction Script Sprawl](https://banes-lab.com/records/architecture/transaction-script-sprawl.md)
- [Fat Controller](https://banes-lab.com/records/architecture/fat-controller.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)