An  Assurance System is a Management System aimed at ensuring enterprise compliance, resilience, and risk mitigation against both internal and external Policys and threats. It encompasses processes, Directives and technologies that work in concert to validate enterprise adherence to policy requirements, industry standards, and internal policies while simultaneously bolstering the enterprise's ability to withstand and adapt to various challenges and disruptions.
ensuring enterprise compliance and resilience against internal and external constraints:

a. Regulation constraints: they defined what is allowed and not allowed by the law (See  Regulation Article).

b. Internal policies and rules constraints: they defined what is allowed and not allowed by the enterprise (see Business Policy).

c. Operational constraints: they maintain operational capacities of the company (maintain ability to produce, maintain quality, ensure product development , ability to hire, to train, etc, see Business Rule).

d. Architectural constraints: they guide design decisions and shape the overall structure of a system (see  Architecture principle).

An  Assurance Case is a claim that a particular enterprise asset or group of Functional Asset adequately mitigates certain identified Risk Types by means of appropriated Control Measures.

An  Assurance Case shall provide confidence that the concerned assets will function as intended in their environment of use.

Privacy Processing Activity(ies), Data Lineages are examples of  Assurance Cases .