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I heard that the context analysis diagram has different levels. I couldn't find this in .Net, but I have seen that a DFD has different levels.

Do context diagrams have any levels (level0, level1, level2)? If yes, please suggest some examples.

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The answer depends upon what type of Context Diagram you are referring to.

This diagram is the highest level view of a system.

  • IDEF0 Top Level Context Diagrams have a single top-level context diagram and then have optional 'child' diagrams below that. So the answer here would be "Yes."

The IDEF0 process starts with the identification of the prime function to be decomposed. This function is identified on a “Top Level Context Diagram,” that defines the scope of the particular IDEF0 analysis. ... From this diagram lower-level diagrams are generated.

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