The primary goals of the user interface prototype are to confirm actor and use-case boundary relationships and to explore both functionality and usability requirements.
Creating a user interface artifacts section for the use-cases enables better definition of the detail about the interaction required between actors and use-cases.
Too often, project teams waste precious time creating a visual deliverable as the first step in the prototype. The screen structure chart is a low-technology approach to describing screen flow for the application.
The screen dialog is another low-technology effort. It captures the user's perceived expectations about interaction between the user interface and anticipated results.
Changes should ...