"Today, with the Zachman Framework as a foundation...we now know that if two people discussing a prospective system cannot understand each other, it is probably because each is operating in a different cell of the framework. Neither professional is necessarily incorrect or incomplete, but simply viewing the same problem space from a different perspective"
... Barbara van Halle, from her Foreword to 'REQUIREMENTS ANALYSIS: From Business Views to Architecture' by David C. Hay (Prentice-Hall, 2002)