# Entity category

> Marks an entity as configuration or diagnostic, so it does not show up next to the main controls of a device.

Source: https://contributors.home-assistant.io/glossary/entity-category/

- In code: `EntityCategory.CONFIG`, `EntityCategory.DIAGNOSTIC`
- In the UI: Configuration, Diagnostic
- Also: entity categories

A setting of a device, like the brightness of its status LED, is a configuration entity. Information for troubleshooting, like the signal strength, is a diagnostic entity. Entities without a category are the main controls and sensors.

## Related terms

- [Entity](https://contributors.home-assistant.io/glossary/entity/): One thing Home Assistant can show, measure, or control, like a light, a temperature sensor, or a switch. Every entity has a state.
- [Device](https://contributors.home-assistant.io/glossary/device/): A physical device, or a service, that one or more entities belong to, like a thermostat with a temperature sensor and a humidity sensor.