"With increasing size and complexity of the implementations of information systems, it is necessary to use some logical construct for defining and controlling the interfaces and the integration of all of the components of the system."

“It is not adequate merely to produce running code. In the long term, enterprise value lies in the models themselves. They have intrinsic value in their own right, as they constitute the baseline for managing change”

“the set of descriptive representations that are relevant for describing an Enterprise such that it can be produced to management's requirements and maintained over the period of its useful life.”

“• Top down implies level of detail that is, looking at the highest level of summarization and then decomposing hierarchically to lower levels of detail as required.”

“It is only the advent of an automated model storage facility or repository that brings any of this into the realm of feasibility and makes architecture a reality. It does not mean to suggest that all of these ideas will be immediately available in any particular repository product. It only means that they come into the realm of feasibility as repository technology becomes a reality.”

“Business System Planning and Business Information Control Study are representative of enterprise analysis tools that are growing in importance and are likely to become mandatory for ant business that continues to grow and evolve.”

“the architect's drawings a transcription of the owner's perceptual requirements.”