And as an aside, as far as I can tell neither Mizner nor Liang use the word 'structure' at all in their respective videos here.
https://youtube.com/clip/Ugkx5P_X6_YKgw ... ExaNtVT2Gt
9:53
"the structure of your upper and lower body is not good"
Whether the word was used or not, they did use it,
Would've thought that most understood that structure was/is intrinsic to what the concepts demoed...
Part of what the thread /post was about...different uses of it according to level of understanding.
Not as in correct or not, some alluded to....
tend to think of it as "different" reflected in different levels of understanding, methods and training.
Which depending on the understanding and training will tend develop and enhance the aspects
of which the difference focus on...