0 past simple and past participle of unpack
2 to explain or examine something in order to make its meaning clearer:
No doubt you'll want to unpack and have a rest before dinner.
I'd just got there and I hadn't even unpacked.
However, if memorywork is the central focus for the oral history interviewer, then the relationship between interviewer and interviewee needs to be unpacked more carefully.
It has a natural number m as argument whose meaning is the number of unpacked arguments which are waiting in the stack.
Before the question can be addressed, it should be unpacked.