> The true value of UML is that it reduces ambiguity and constrains risk through lightweight prototyping. Nothing in UML is lightweight. As you mentioned there

> The true value of UML is that it reduces ambiguity and constrains risk through lightweight prototyping. Nothing in UML is lightweight. As you mentioned there are rules and diagram types to learn. > Developers are not the people who should draw UML Maybe not UML but developers should draw more. Diagrams are a great way to communicate architectures, data flow, abstractions, etc. I would save many hours if diagrams where available instead of having to read code.