1. What are the origins of my line of Yongchun?
Well, for me it's a Southern Art, and so we call it Wing Chun. My 'line' comes from Leung Jan, to Chan Wah Shun, to Yip Man to Lee Shing to my Sifu Joseph Man.
2. Can the origin claims be substantiated by verifiable documentation?
Well of course they can.
3. Does the documentation coincide with the oral tradition?
Yes.
4. What are the fundamental concepts of my line of Yongchun?
The seed.
5. Are they hypothetical or theoretical?
It is both theoretical and physical.
6. What aspects of my line of Yongchun do I hold questionable?
Not many! Maybe I would question why everybody questions Yip Mans authenticity as a true Wing Chun practitioner?
7. Do they hold up under investigation?
From my point of view, yes.
8. How is my line of Yongchun comparatively to other branches?
We are a small clan. Varied. And old.
9. What are the similarities what are the differences?
The name Wing Chun for starters. Quite a few differences, but mainly Lee Shing was known to learn from 'others' as well as Yip Man.
10. Do these parallels coincide with generally accepted tradition?
Er... Yes!??
11. What are the accepted fundamental concepts of my line of Yongchun?
Train well, train safe
12. Do I truly understand and comprehend these concepts beyond the given explanation?
I hope so!
Your point is?