1. Definitions of “Design”
Simon - designer devises courses of action aimed at changing existing situations into preferred ones
Petroski - “to obviate failure” [in engineering products]
Hamlet - two paramount purposes
basic algorithm
decomposition
so that programmers may work on small, separable tasks

2. Schach - determine the internal structure of the product
Pressman - (“where creativity rules…”) `create a representation or model of the software providing detail about data structures, architecture, interfaces and other necessary components … ‘

3. Winograd on software “design”
inward-looking perspective (do not ignore)
“implement a spec efficiently”
software that works (designer’s eye view vs. constructor’s eye view)
“to produce quality results and a satisfying experience…”