A small vocabulary for motion
Nullstar Lab

MOTION PATTERN WORKSHEET

For each pattern (selection, disclosure, submission, reordering, dismissal), record:

Trigger:
Previous state:
New state:
What the movement explains:
Duration to try:
Keyboard behavior:
Focus destination:
Screen-reader announcement if needed:
Reduced-motion state:
Failure or interruption behavior:

Test each pattern with animation disabled. The meaning must remain clear.