Glossary
Short-form video glossary
The terms that come up when talking about clips, Reels, TikTok and Shorts, explained in a few lines.
Clip
A short section taken from a long video (livestream, podcast, class, talk) and posted as a standalone video.
Hook
The opening of a video, usually the first seconds, designed to make viewers stop scrolling.
9:16
The vertical video aspect ratio: nine wide by sixteen tall. The format of Reels, TikTok and Shorts.
1080 × 1920
The recommended resolution for 9:16 vertical video, in pixels.
Reframe
Changing a video's framing, for example from horizontal to vertical, while keeping the main subject in frame.
Karaoke captions
Captions that highlight each word at the moment it is spoken, following the speech.
Burned-in captions
Captions rendered into the video image itself, so they show up wherever the video is posted.
Safe zone
The part of the frame not covered by the platform's buttons and text overlays.
Transcript
The text of everything said in the video, with the timing of each word. It is the basis for captions and for choosing clips.
Faceless video
A video where the creator does not appear: narration over images, screen recordings or b-roll.
Retention
How much of a video people watch before leaving. One of the signals platforms use to decide who sees a video.
Watched channel
In LumeClip, a YouTube channel followed automatically: every new video is clipped without anyone uploading it.