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A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

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  1. [network analysis] The linear connection between two nodes in a network.

  2. [spatial analysis] Connections added between known georeferenced points in a dataset and points in a corresponding reference dataset.

  3. [data architecture] An operation that relates two tables using a common field, without altering either table.

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