(Enterprise Architecture is) the set of descriptive representations (i.e., models) that are relevant for describing an Enterprise such that it can be produced to management's requirements (quality) and maintained over the period of its useful life.
— John Zachman, Computational Science and Its Applications -- ICCSA 2004 (2004)
Attributed to Zachman (1987), as cited in a 2004 volume edited by Antonio Laganà and others.
Topics: software design