Title - This allows you to edit the title of the field you created.
Resource Type - How metadata is contained and interacted with, see Resource Field Types
Options - If options are applicable for the field type then enter them here
Required - If this field is required for every resource then set this value to yes.
Order By - This is the order that the field will appear compared to other fields. In the example below there is only one so it doesn't matter but you can modify a number of them either using this value or the arrows next to their name to move them up or down in the listing order.