Read Rachel Nebor’s Article “Web Animation at Work” if you’d like to see ways animation indicates:
- Causality
- Feedback
- Relationships
- Progression
- Physics
- Transition
Be sure to follow Rachel’s hyperlinks. Even her 404 is entertaining.
Olivia Huynh has created some animation that is outstanding. 
Compelling stories and great sounds and music really make her animation shine.
User Experience Design 