# Introduction
RELE.AI components are persistent entities in the system. These components represent the connection to external applications and the data pipeline that RELE.AI uses to process information.
Below is a list of the support configuration types:
| Type | Description |
|---|---|
| App | Describes the base connection to the external application |
| AppAction | Define each handler that is used by the application |
| Workflow | Defines the way that the workflow is selected |
| Operation | Describe the data processing blocks |
| Translation | Manage language localization (i18n) inside RELE.AI |