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How to use definitions and placed references correctly.
Place a Local Definition or Global Block into a sheet as a configurable block reference.
You choose a block definition, then place a reference on the sheet.
That reference can use its own values after insertion.
When inserting a block, you choose where the definition comes from:


You are selecting a definition - inserting creates a reference on the sheet.
Notice
Inserting a block places a reference to a definition, not a disconnected drawing copy.
How to use definitions and placed references correctly.
How block definitions, references, parameters, and states work.
A real system assembled from reusable blocks.
Exact block reference fields.