Hm, Wayne will explain this better, but:
did you have one of those human skeletons in biology class?
Moving the skeleton from one classroom to another would be like an Object Transform.
Some kids playing with the skeleton before the teacher comes in…taking its skeletal hand and lifting it up or so, would be a Bone Transform..
(I am tempted to delete this answer, because it doesn’t sound very helpful, but I’ll just leave it…)
