UML for Mere Mortals®

How Can the UML Model Applications?

Your business models have established why you are building this system (i.e., how it will support the business). Your use case models have depicted how the actors will use the system. And the architecture models set the initial organization of your system. Armed with this understanding, you are well prepared to model your application. These prior models limit the “shape” of the application. The business and use case models serve to limit the design space (which is a good thing because it takes the whole universe of possible solutions and constrains that solution space). The architecture models set the overall structure of your solution. In this way, developing these models helps to control the cost and schedule ...