# Core concepts

- [Routing](/1.x/core-concepts/routing.md)
- [Media Manager](/1.x/core-concepts/media-manager.md)
- [Menus and Menu Builder](/1.x/core-concepts/menus-and-menu-builder.md)
- [Database Manager](/1.x/core-concepts/database-manager.md)
- [Settings](/1.x/core-concepts/settings.md)
- [Compass](/1.x/core-concepts/compass.md)
- [Roles and Permissions](/1.x/core-concepts/roles-and-permissions.md)
- [Helper methods](/1.x/core-concepts/helper-methods.md)
- [Multilanguage](/1.x/core-concepts/multilanguage.md)