From: Why? identifying the purpose of business systems.
"Claudio Bartolini points out the importance of being able to clearly identify the link between IT systems and the strategic impact they may have. We can model the What and How and When and Where and Who for all we like in our business process or UML models, but without understanding the Why of the major aspects of those systems, and, one might argue, even the detail of those systems, we run the risk of developing systems for the sake of developing systems alone."

Comments on Life or something like IT: Back from RuleML 2007