Not a long overview video.
My understanding is that Joints don't have much to do with the ANIMATION environment.
Joints are active for the Motion Study tool in the DESIGN environment.

This video explained some of the same thing (but is longer):
QUICK TIP: Simulate Movements with Animations
Autodesk Fusion
   • QUICK TIP: Simulate Movements with An...  

keywords: wood gear clock, rotate, animate, angle, motion.
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