Entry 06 · the alphabet of motion
The atomic unit of moving image — a single still in a sequence.
CSS @keyframes · frame
The long entry
A frame is to motion what a pixel is to a screen. Twenty-four frames make a film second; sixty make a UI second. Knowing the rate you are working in changes everything: a twelve-frame fade at 24fps is half a second; the same count at 60fps is barely a fifth.