3.Modeling

Modeling entities, attributes, identifiers, and relationships for data-oriented system design.

Using UML selectively to communicate structural and behavioral views of software systems.

Modeling types, interfaces, responsibilities, associations, inheritance, and composition.

Modeling time-ordered interactions, calls, asynchronous messages, branches, and failure paths between participants.

Representing procedural control flow, decisions, loops, and terminal outcomes.

Modeling finite states, transitions, events, guards, and lifecycle invariants.

Describing coarse-grained modules/components, provided interfaces, dependencies, and boundaries.

Mapping software artifacts and services onto runtime nodes, networks, zones, and infrastructure.

Communicating system boundaries, dependencies, data flows, deployment units, and operational context.