“Recently, we discovered the page description diagram, a method for documenting components without specifying layout. At first, it seemed limited, even simplistic, relative to our needs. But with some consideration, we began to understand the value. We started looking at whether or not PDDs could help us improve our process.”
(Colin Butler a.k.a. @cbutlerUX and Andrew Wirtanen a.k.a. @awirtanen ~ UX Magazine)