I write down the three measurements which Lou and I agreed are central to knowing if the company is making money: net profit, ROI and cash flow. - Eliyahu M. Goldratt

Look, we give sales a rigid lead time for each product. So if it’s not in finished goods, those are the numbers they should use to promise to clients. Yeah, they deviate from it, but not by much. Maybe there should be another way. Maybe the quoted lead times should be done case by case, according to the load on the bottlenecks. And maybe we shouldn’t regard the quantities required as if we have to supply them in one shot.

I still claim that there are only few constraints. Our division is too complex to have more than a very few independent chains. Lou, don’t you realize that everything we mentioned so far is closely connected? The lack of sensible long-term strategy, the measurement issues, the lag in product design, the long lead times in production, the general attitude of passing the ball, of apathy, are all connected. We must put our finger on the core problem, on the root that causes them all. That is what actually is meant by identify the constraint. It’s not prioritizing the bad effects, it’s identifying what causes them all.

productivity is the act of bringing a company closer to its goal. Every action that brings a company closer to its goal is productive. Every action that does not bring a company closer to its goal is not productive.