This "Effective Agile Requirements Gathering - Cheat Sheet" was mentioned in the Use Cases and User Stories for Agile Requirements webinar sponsored by ESI International.
Block Diagrams are used to depict the compositional structures of systems. Their main graphical elements are agent, storages and channels.
SAP’s standardized technical architecture modeling provides as few models as possible but as many as necessary, whereas the primary requirement of simplicity will be fulfilled. It also defines the standard for the TAM Block Diagram.
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