This chapter describes
• why a fact model should be built to support rule statement writing and other aspects of system specification;
• what a fact model consists of, and how it differs from other models and forms of documentation;
• how nouns, possibly qualified by adjectives, or (occasionally) other words, can be can be selected as business terms, defined and given an appropriate place in the taxonomy of business terms; and
• how fact types can be used to relate business terms (along with verbs and possibly prepositions).
In this section, we look at
1. why a fact model is useful,
2. how a fact model differs from other models and forms of documentation, and
3. what a fact model consists ...