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Forms capture meta-data that is associated with a slide, or with a folder. Many good examples are provided by the CAP at https://www.cap.org/protocols-and-guidelines/cancer-reporting-tools/cancer-protocol-templates
Forms are structured data (ideal for applications like synoptic reporting), and need to be }} You want to start capturing data, but you want the data to be associated the complete folder, not specifically with just one particular slide within the folder. In the [[panel_forms|form panel, make sure that “Directory mode” is turned on. When you see a button that says “switch to directory mode”, you are NOT in directory mode.
You can confirm that you're in directory mode when there's a button that lets you get back to slide mode, like this: