A constraint is represented by a control or a business rule that must be applied during processing.

HOPEX Information Architecture Physical Layer, HOPEX Information Architecture Logical Layer, HOPEX NAF, HOPEX Risk Mapper, HOPEX Business Process Analysis, HOPEX IT Architecture V2, HOPEX DoDAF V2, HOPEX Privacy Management, HOPEX Data Governance.

Activity Diagram (UML), Application Architecture Diagram, Application Environment Diagram, Application Internal Architecture Diagram, Business Process Diagram (BPMN), System Process Diagram, Value Stream Diagram, Class Diagram (UML), Communication Diagram (UML), Component Diagram (UML), Composite Structure Diagram (UML), Data Structure, Data Diagram (Merise), Library Diagram, Object Diagram (UML), Objective and Requirement diagram, Objective Requirement Diagram, Overview of Applications, Overview of Process Categories, Package Diagram (UML), Process Diagram, Project Objective and Requirement Diagram, Sequence Diagram (UML), Service Architecture Diagram, State Diagram (UML), State Machine Diagram, Deployment Diagram (UML), Use Case Diagram (UML).