In the Clips app, refine your video by splitting, trimming, and muting clips.
iMovie 10 - Trim Clip/Nudge all greyed out - Apple Community
Media browser overview - Apple Support (GE)
Bring your photos to life - Apple Support
Apple offering popular iOS video editing app 'Videoshop' for free ($2 value)
Playback settings in Final Cut Pro for Mac - Apple Support (GE)
Official Apple Support
iPhone User Guide - Apple Support
Select part of a clip in iMovie on Mac - Apple Support
Make a video in Clips - Apple Support
iMovie User Guide for Mac - Apple Support
Edit clips in Clips – Apple Support (AU)
Apple Clips is the iMovie equivalent for the social media generation
View photos and videos in Photos on iPad - Apple Support (AZ)
Trim and arrange videos and photos in iMovie - Apple Support
Edit clips in Magic Movies and storyboard projects in iMovie on iPad - Apple Support (HK)