Designer has a customization option and that is component palette profiles. Right click on Other and click on Customize
Click on New to create a new palette
Give the palette a name och click on OK
Selects the components you want to have in this palette
This makes it possible for you to create different palettes of components depending of what you are developing. One for Mobile apps one for ordinary apps. if you are using your own framework in some application and this framework has special components, your can create a special palette for that.
Customization, Customization we love that.