The terms and abbreviations section allows you to include tables with terms and abbreviations defined in the project and globally in your company. See Smart Text / Text Macros / Terms and Abbreviations for more information on how to define and use terms and abbreviations.
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In the options of the section you can select what should be included:
You can include all
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By default all abbreviations and terms will be included
Example Rendering
See also Common Document Section Options.