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Block Definition Diagram Block definition diagrams (BDDs) are used to define blocks representing implementation units (hardware, software, and people) in terms of their structure, their classification, and their behavior. They extend classic physical hierarchy diagrams with defined semantics.

Level of Detail: High Audience: System/software engineers and subject matter experts (SMEs) Content: Physical composition often including block roles and characteristics; inheritance model Use: Detailed, multi-level design representation of system composition, inheritance, and corresponding physical characteristics; software class diagram

Mapping for the Block Definition Diagram (BDD)

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