I think we're talking about the same thing from two angles—when a task appears uncertain, it's important to isolate it. Sometimes, as you suggest, it's an explo

I think we're talking about the same thing from two angles—when a task appears uncertain, it's important to isolate it. Sometimes, as you suggest, it's an exploration (build the engine before the body to see it turn over), but other times you can chip away at a problem, piece by piece, until there's no problem anymore.