Do you think you can simplify it down to

1. this: ‘Want’ is desire, and is used to express desire of some type. ” With the example of Will in the ‘Will’ text (which is not an expression for Will) still having the semantics of “volition” and “will” (the two are synonyms). X is the following. It however is not the same context as “do as what you are willing,” in which ‘willing’ means something like “what you’d be comfortable doing, reasonably.” Can you justify “It is not a need.”
2. ‘Shall’ is relative to ‘will’. Is volition a lot more important than will? Is it meant to be a duty? If taken in a modern context,’must’ is more informal and explains a more flexible range of time?

If you need an example of what will in the more archaic context, here’s

one.