# Event Semantics

> The agreed meaning of what an event represents and the conditions under which it is emitted.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Event Schema](https://banes-lab.com/records/lexicon/event-schema.md) and before [Events](https://banes-lab.com/records/lexicon/events.md).

## Category

- [Event Messaging Async](https://banes-lab.com/records/lexicon-category/event-messaging-async.md)

## Required by

- [Domain Events](https://banes-lab.com/records/architecture/domain-events.md)

## Linked from

- [Event / Messaging / Asynchronous Architecture](https://banes-lab.com/ontology/principles/architecture-category-event-messaging-asynchronous-architecture.md)