Understanding, awareness (9)
I believe the answer is:
knowledge
This clue is a double definition.
'understanding' is the first definition.
(I've seen this before)
'awareness' is the second definition.
(I've seen this before)
(Other definitions for knowledge that I've seen before include "a small amount is risky" , "Information, learning or enlightenment" , "Grasp" , "practical skill" , "Information - erudition" .)