"...a wide ranging discussion on what the thing is more or less supposed to do..." This is called analysis. It's critical to success -- and the conversation sh

"...a wide ranging discussion on what the thing is more or less supposed to do..." This is called analysis. It's critical to success -- and the conversation should be on-going, by the way, not all at once. It's also for some reason overlooked in the industry. I have no idea how it's fallen so far out of favor. But it's not related to TDD.