Student or Learner
Is the following correct?
It is the minimum complete unit for storing infomation in long-time store of idea generation process model in conceptual design.
It is the smallest complete unit for long-term storing information of the idea generation process model in conceptual design.
In this context, I would say that the smallest complete unit is correct.
The minimum would normally refer, if you needed a minimum number of something to make up or into a unit.
I hope that make sence, if not please come back and I will try to elaborate,