[Widget Role] heading6 [Description] Level 6 heading [Base and Related Concepts] [HTML]/[DTB]/NIMAS h6 Name from child content or title attribute [nameRef] level=6 [Inherited Concepts] 
Sectionhead
B u t t o n
I n p u t
W i d g e t T a b l e
G r o u p
M e n u
M e n u F o o t e r
S e c t i o n h e a d