wireframes
Wireframes are lo-fidelity screen pictures to convey what goes on each screen, where it belongs, and what it should do. They are a great communication tool during the design process, and can also be used for intial usability testing, and incorporated in the specifications for development.
*A site map like this one, is usually part of the wireframe set, representing the overall structure of the application
*A site map like this one, is usually part of the wireframe set, representing the overall structure of the application