The 7 Cs of Interface Design – Reeves and Nash have pointed out that people interact with media (especially interactive media) as if they were people. Accordingly, when thinking about how to design interactions between humans and computers, one must first understand the way these interactions occur between humans. Successful interface design then, is based on a through understanding of how humans interact. In particular, how individuals communicate, accomplish tasks, form relationships and make sense of their surroundings.Bron: Functioning Form