Example Template: <Rule tag>: [Rule Conditions> -> <Rule actions>.
This usage is widespread under the name "Business-Rules". This is Documented in the Work of the Business-Rules Group (<http://www.businessRulesgroup.org/brghome.htm>). They say, "A business Rule is a statement that defines or constrains some aspect of the business. It is intended to assert business structure or to control or influence the behaviour of the business. The Business-Rules which concern the project are atomic ~ that is, they cannot be broken down further" — except that they can be further broken down into the Type of "Rule elements" that Don Mills calls CAUSES and EFFECTS.
They continue, "For our purposes, this may be viewed from two perspectives. From the business ... perspective, it pertains to any of the Constraints that apply to the behaviour of people in the enterprise, from restrictions on smoking to procedures for filling out a purchase order” (Specification-Rules, *129). “From the information System ... perspective, it pertains to the facts which are recorded as data and Constraints on changes to the values of those facts. That is, the concern is what data may or may not be recorded in the information System."
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This Concept entered by Diane O'Brien.