Design Rules, Vol. 1: The Power of Modularity [2000] https://www.amazon.com/Design-Rules-Vol-Power-Modularity/dp/0262024667 https://www.amazon.com/Design-Rules

Design Rules, Vol. 1: The Power of Modularity [2000] https://www.amazon.com/Design-Rules-Vol-Power-Modularity/dp/0262024667 https://www.amazon.com/Design-Rules-Vol-Power-Modularity/dp/... Formal definitions for interfaces and so forth. Completely changed my mental model for my work. Paraphrasing from book (from memory): "Architecture" is the set of visible design choices. Design Rules is to software methodology what Diffusion of Innovations is to product development. There is some overlap between Design Rules and Diffusion of Innovations, of course. They're compliments.