olemus
ettevõtte (äri)tegevust suunav või kitsendav poliitikareegel
= a directive defining or constraining business activities

ülevaateid
https://en.wikipedia.org/wiki/Business_rule

https://www.indeed.com/career-advice/career-development/business-rule

https://www.btm-forum.org/boks/wikis/abrd/practice.tech.abrd.base/guidances/guidelines/business_rule_classification_B0FD9A03.html

https://www.brsolutions.com/wp-content/uploads/2016/10/ChapterPreview_Business_Rule_Concepts_4th_Edition_Chapter1-2.pdf

https://www.businessrulesgroup.org/first_paper/BRG-whatisBR_3ed.pdf

vt ka
- talitlusreegel