I do. UML class diagrams can help you turn real world business objects into model and think about dependencies and relationships of entities. I would say that i

I do. UML class diagrams can help you turn real world business objects into model and think about dependencies and relationships of entities. I would say that it is the best tool to model software. Sequence and activity diagrams can help you design and document a process. A picture is sometimes worth hundred words and this applies to UML as well.