Only create a new category if the predefined categories do not suit your needs.
New single-value category.
New data table.You can edit the name of any category that you create and some predefined categories.
You can create a data field in any category, including any categories that your create.
New field.You can edit any data field that you create and only some predefined data fields.
After you create data fields in the desktop app, you can add them to forms to collect the key metrics that you want to track in your projects. To add data fields to forms, go Design a form.
To share data fields with other tools in your project, save the form that contains the data fields, then save the form as a template in a shared Workgroup folder. For more information, go to Specify where custom templates are saved.
After you create data fields in the desktop app, you can add them to shapes and task panes in maps to help you better understand your process. Go to Add data to a map.