This is a template attribute. Template attributes can be used in filtering, or to retrieve data from the model to use in drawings and reports. For example, when you create a report, Tekla Structures replaces the attributes added in the report template with the corresponding object property values.

Shows the corresponding values in the Project properties in File menu > Project properties.

Shows the Info 1 and Info 2 texts of the revision entered in the Revision Handling dialog box.