keyframe
nounUK /ˈkiːfreɪm/
US /ˈkiːfreɪm/
A keyframe is a special picture in an animation that marks an important point where something changes.
The animator set a keyframe to show the ball bouncing high.
OTHER MEANINGS
2. In video editing, a keyframe is a saved setting that tells the software when an effect should start or stop changing.
She added a keyframe to make the music fade out slowly.
3. In computer graphics, a keyframe is a stored frame used as a base for creating the frames in between.
The program filled in the missing frames between the two keyframes.
4. In video compression, a keyframe is a complete picture that other frames refer back to.
Seeking to the nearest keyframe makes the video load faster.