I was learning bunkai for a kata last week, and asked, 'Is this the standard interpretation?'
'Heck NO!' was the reply.
I ass-u-me that there are various interpretations, based on the principles being applied/worked through. I think I once read that folks needed at least 3 levels of interpretation of bunkai for upper level ranks. So...was just looking for one version that all might be discussing...a common reference point.