Model based systems engineering is a multi faceted discipline that utilises diagrams as a means of interpreting and communicating functional and behavioural aspects of models. Many diagram types can be used and some of these will be explored within this section.

• Activity Diagram (ACD)

• Architecture Interconnect Diagram (AID)

• ADA Structure Graph (ASG)

• Class Diagram (CD)

• Collaboration Diagram (COD)

• Component Diagram (CPD)

• Data Flow Diagram (DFD)

• Deployment Diagram (DPD)

• Data Structure Diagram (DSD)

• Extended Functional Flow Block Diagram (eFFBD)

• Entity Relationship Diagram (ERD)

• IDEF0 (IDEF0)

• Physical Architecture Diagram (PAD)

• Package Diagram (PD)

• Process Flow Diagram (PFD)

• Software Architecture Diagram (SAD)

• State Chart Diagram (SCD)

• Sequence Diagram (SQD)

• Structure Chart (STC)

• State Transition Diagram (STD)

• Use Case Diagram (UCD)

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