UML Composite Structure Diagram

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Serving as an internal structure diagram, a composite structure diagram provides a look inside a particular component or class to see how its parts work together. Its key elements are:

Parts: Represents internal objects or classes that make up a component
Ports: Interaction points on a component that allow communication with other objects
Connectors: Illustrates the links between parts and ports
Roles: Specifies the functions that the parts perform within the composite structure
UML Composite Structure Diagram : Examples of UML Diagrams

via: Smartdraw Unlike high-level diagrams that focus on general interactions, composite structure engineering directors email list diagrams delve into the internal organization of a component, illustrating the relationships between its parts, ports, and connectors. They reveal what a component does and how it works by coordinating its internal elements.

Use case: Details the internal organization of a car class, including parts such as engines and brakes for complex component communication.

3. UML Activity Diagram
Activity diagrams illustrate business workflows and processes by breaking them down into:

Activities: Steps or actions performed
Transitions: Movement from one activity to another
Decision Points: Conditional branches that guide flow based on outcomes