In the Clips app, refine your video by splitting, trimming, and muting clips.
Use App Clips on iPhone - Apple Support
Add keywords to clips in Final Cut Pro for iPad - Apple Support
Apple's Clips video editor on iPad adds mouse and trackpad support
Apple's social video editing app Clips gains new feature in first update since launch
Trim and arrange videos and photos in iMovie - Apple Support
Media browser overview - Apple Support (GE)
Apple Clips is great: here's how to use it - CNET
Apple Clips is the iMovie equivalent for the social media generation
Add titles and audio to Magic Movie and storyboard clips in iMovie on iPhone - Apple Support (GE)