Several of these buttons let you easily move your lists into the different fields if you are doing a complex manipulation. Such a manipulation might be taking a list of names (eg. John Doe) and producing a list in the form
* Special Note: Because of how this scriptlet parses lists, you cannot add the return character
as part of your manipulation.
Instead, once you are done, use your text editor (I recommend BBEdit)
to search for the commented return text and replace it with an actual return character.