I don't think that is part of this process. It's certainly part of engineering, but not this side of creative problem solving. This is way off in the deep end. I guess it may be part of early phase 1 in the sense of immersing myself in the problem space, but often I don't know even know what problem I'm solving. Like, not really know it.

The moment of clarity is when the question is revealed and the answer is obvious. It's a real parting of the clouds moment.

Part 1, and after part 3

That's step 4.

Generally (for me, anyway) the insight is still pretty unformed. Peer input helps refine that idea into something more concise and actionable.

It's not always required, but it is always beneficial.