- I expect the system to provide me all information I need without being overload.
- I want to be able to accomplish my task in the natural flown of my thinking without being distracted.
- I don’t want to have to perform unnecessary steps, actions, calculation, or take notes.
- I want to be able to read and understand, symbols an graphic instantly.
- I expect have feedback following my actions.
- I want interaction techniques to be consistent and familiar.
- I expect the system prevent errors or provide errors recovery mechanism.
- I want the system provide rapid method for frequent task and guidance for unfamiliar task.
- I want visibility. I don’t feel uncomfortable with hidden processes.
- I want to find my way easily.