The ability to quickly produce visual diagrams of complex business models, which makes it easier to communicate with stakeholders who may not be familiar with technical terms or programming languages. Some functions are difficult to learn (e.g., creating reusable components). I recommend using this tool if you're looking at rapid prototyping in order to create quick-and easy documentation that can then later evolve into full UML class diagramming in more detail. It's also helpful whenβ¦