# Message Contract

> The agreed schema and semantics of messages exchanged between components.

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

## category

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

## referenced-by

- [Event-Driven Architecture](https://banes-lab.com/records/arch/event-driven-architecture.md)
- [Message Queue](https://banes-lab.com/records/arch/message-queue.md)
- [Integration Events](https://banes-lab.com/records/arch/integration-events.md)
- [Asynchronous Communication](https://banes-lab.com/records/arch/asynchronous-communication.md)