Rules 

Type - Term
Description: Rules are a DoDAF Meta-Model Data Group used to capture architecture content on how rules, standards, agreements, constraints, and regulations and are relevant to architectures.

The following should be noted about the Rules Data Group:
1. A Rule constrains Activities.
2. Security classification, security marking, releasability, etc. are types of Guidance. Similarly; a Rule is a stronger form of Guidance.
3. An important Constraint type is a Service Policy that constrains access to capability Performers.
4. Doctrine, by definition, constrains military action. 
Acronym:  
Comments: DoDAF 2.0