Different points of view which are different than the designer. Conveys motivation for system Target the Pertinent Issues o user satisfaction, productivity, safety, environment, Clarify aesthetics, Showing what can only be seen when product actually in use by user. Some details only manifest themselves when a user is sitting down with the product. Scenarios are fictional stories with characters, tasks products, events and environments. They are meant to simulate what and how the product would be used in real life.
Scenarios can use sketches, scripts, photographs, videos, computer simulations, sound.
Draw us from the present to the future and from analysis to synthesis. Put us in another person's shoes. Convey motivations of users. Use scenarios to create alternate visions. Can be shared with different audiences.