Comfortable & Easy
Ever faced w/ a piece of equipment or gizmo, or workstation that's awkward or uncomfortable 2 use? Or one that makes U say, "How this is designed 2 work doesn't make sense"? Imagine the stick shift in your car interfering w/ the controls 4 the radio when U move the stick into 3rd gear..
= study of making stuff human-friendly so it's either physically or mentally comfortable/easy 2 use!