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Scope: The data entered or displayed in form fields is specific to that form instance.It's used for capturing and displaying information relevant to a single step or part of the process. For additional usage, the form data can be extracted using the form data Hash variable which increases the scope to a global level (allowing usage in other parts of the App).
Storage: Data from form fields is typically stored in the application's database and is associated with the specific instance of the form. It's accessible whenever the form is loaded or referenced (using Hash variables).
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Storage: Stored on a database table separate from the form data. These variables are stored in the "shkactivitydata" database table and are not to be tampered with for reasons mentioned below in the section Storage mechanisms for form data variables and workflow variables
Key Concepts
Hash Variables
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