Definitional rules represent operational knowledge of the organization. They give shape to core concepts of the business. They can be misunderstood, misapplied, but they cannot be violated. Their misapplication leads to miscalculations and off-base conclusions.


A customer is always considered a gold customer if the customer places more than 10 orders during a year. Delivery is always free for purchases over 100 euros. Definitional rules often prescribe how information may be derived, inferred, or calculated based on information available to the business. Sets of definitional rules are often used to make operational business decisions during some process or upon some event

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