Flow Diagrams
Used to visualize a process usually focused on a task or function in a specific sequence.
 Sample Flow Diagrams 1 23

Wire Frames
Are rough illustrations that show the contents of each screen and describe how a user would interact with the screen.
 Sample Wire Frames 1 2

Patterns
A repeatable solution to a commonly occurring problem.
 Pattern Sample

Site Maps
A visual description of a web site's structure.
 Site Map Samples 1 2

Heuristic Evaluations
A review that examines the interface of an application or web site to judge its compliance with established usability principles.
 Heuristic Evaluation Sample