> Class, component, package, activity and state machine diagrams are all useful ways to model the structure and behavior of a system visually They're not bad,

> Class, component, package, activity and state machine diagrams are all useful ways to model the structure and behavior of a system visually They're not bad, but the C4 model is a much better approach to high level modelling (while you can still use class diagrams on the lowest level). https://c4model.com/ https://c4model.com/