EXPLAINED… iMovie’s interface
1 Libraries
The Libraries list makes it easy to access movie clips stored in your Photos library or used in other iMovie projects.
2 Timeline
The timeline houses your clips. Drag and drop clips from the library into the place you want them.
3 Media library
The Media library houses the clips you have added to your project. Click on one to preview it in the viewer.
4 Edits
You can adjust the colour or look of a clip, crop it, and even fix camera shake before adding it to your movie.