1.   After discussions with the client, a neutral viewpoint is selected as the basis for a root definition and conceptual model.

2.   The systemic requirements of the conceptual model were also considered.

3.   The two systems are, at bottom, conceptual models.

4.   The entity-relationship model is a data model, referred to in this book as the conceptual schema or conceptual model.

5.   Conceptual models of the new car will be shown at the Frankfurt auto show in September, Toyota President Hiroshi Okuda said at a press conference in Brussels yesterday.