A number of scenarios for system use. Determine object classes and their relationships based on discussions in part 1. Analyze list for relevancy. Discard irrelevant object. Add additional objects as needed.
Group objects into classes.
Determine relationships between object classes based on discussion and diagrams, if any, in discovery. Document object classes and relationships in an ORM or equivalent. Generate the Object Description Document. This document consists of the name of each object class and relationship set with a brief description for each one. List potential interactions including object classes.