The Five Leve Five Layer Design Pattern

A one page document is amework, but is basically how a model should be structured. I want to give you a standing ovation for something that occurred years ago. A sort of a plugged there for some work i did back in probably two thousand seven. But i'vee ved it over the last couple, three years now i've revisited it. It's an interesting way to look at building models, as a pattern that you follow.