According to the white cardboard by the Business Rules Group,1 a account of a business aphorism avalanche into one of four categories:
Definitions of business terms
The best basal aspect of a business aphorism is the accent acclimated to accurate it. The actual analogue of a appellation is itself a business aphorism that describes how bodies anticipate and allocution about things. Thus, defining a appellation is establishing a class of business rule. Agreement accept commonly been accurate in a Glossary or as entities in a conceptual model.
Facts apropos agreement to anniversary other
The attributes or operating anatomy of an alignment can be declared in agreement of the facts that chronicle agreement to anniversary other. To say that a chump can abode an adjustment is a business rule. Facts can be accurate as accustomed accent sentences or as relationships, attributes, and generalization structures in a graphical model.
Constraints (also alleged "action assertions")
Every activity constrains behavior in some way, and this is carefully accompanying to constraints on what abstracts may or may not be updated. To anticipate a almanac from actuality fabricated is, in abounding cases, to anticipate an activity from demography place.
Derivations
Business rules (including laws of nature) ascertain how ability in one anatomy may be adapted into added knowledge, possibly in a altered form.
Definitions of business terms
The best basal aspect of a business aphorism is the accent acclimated to accurate it. The actual analogue of a appellation is itself a business aphorism that describes how bodies anticipate and allocution about things. Thus, defining a appellation is establishing a class of business rule. Agreement accept commonly been accurate in a Glossary or as entities in a conceptual model.
Facts apropos agreement to anniversary other
The attributes or operating anatomy of an alignment can be declared in agreement of the facts that chronicle agreement to anniversary other. To say that a chump can abode an adjustment is a business rule. Facts can be accurate as accustomed accent sentences or as relationships, attributes, and generalization structures in a graphical model.
Constraints (also alleged "action assertions")
Every activity constrains behavior in some way, and this is carefully accompanying to constraints on what abstracts may or may not be updated. To anticipate a almanac from actuality fabricated is, in abounding cases, to anticipate an activity from demography place.
Derivations
Business rules (including laws of nature) ascertain how ability in one anatomy may be adapted into added knowledge, possibly in a altered form.
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