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

2.   Rich pictures are described fully in Avison and Wood-Harper as are associated techniques such as root definitions.

3.   The root definition is a concise verbal description of the system, which captures its essential nature.

4.   To ensure that each root definition is well-formed, it is checked for the presence of six characteristics.

5.   Here are three different root definitions of a hospital system.