08: Media Tray Clip Views
In addition to MAGIX Movie Edit Pro 17 offering you options for displaying your media assets and your editing timeline, it also allows you some flexibility in the way your main editing assets (your media clip files - video, audio, photographs, sound effects, etc) are displayed in the media tray.
MAGIX Movie Edit 17 Plus Beginners' Basics
Tutorial Videos - Module 08: Media Tray Clip Views
As you get more accustomed to video editing with the application, you'll develop your own style and preferences in relation to media assets management.