You can swipe on the Timeline to scrub through your edited project. As you scrub the Timeline, the Playhead is engaged and the preview displays the current frame.Swiping on the Storyboard quickly moves to different locations in your project without engaging the Playhead. If you want the Playhead to jump to a new position, tap the corresponding thumbnail in the Storyboard.In the Library, swipe from left to right to navigate up one level. For example if you select 'Albums', then choose a specific album, you can go back to the previous list by swiping from left to right.