Predefined list is the list of values which can be imported as items into the 
fields like <b>Checkbox</b>, <b>Radio button</b>, <b>Select</b>, <b>Multiple 
select</b>. For instance, the list of countries or the list of the email 
addresses of your support service. Click <b>Add list</b> to create a new listing. 
Use the icons in the <b>Command</b> column to edit/delete lists.