“Prioritizing Design Decisions”

"Prioritizing Design Decisions"

Photo by cote

From Apple’s Apple Human Interface Guidelines, Appendix B.

I found this diagram on Coté’s Flickr account and liked it, mainly because we have been trying to explain the idea of minimum requirements vs User Expectations (both of which are required before you can get to the differentiation). There is no short-changing the bottom two pieces of this triangle.