# Core features

Contents index :

* [Tables](core-features/3-1-20-tables)
* [SqlTool](core-features/3-1-21-sqltool)
* [Definition of Data models and Relations](core-features/3-1-4-definition-of-data-models-and-relations)
* [Defining business components](core-features/defining-business-components)
* [Defining the UI](core-features/defining-the-ui)
  * [App Designer](core-features/defining-the-ui/3-1-app-designer)
  * [Web Interpreter](core-features/defining-the-ui/3-3-web-interpreter)
* [Working with users and roles](core-features/3-1-17-users-and-roles)
* [Wizard](core-features/3-1-25-other-wizards)
* [Defining events](core-features/defining-events)
* [Server-side Javascript & Web Service](core-features/server-side-javascript-and-web-service)
