I am not sure what you want to know.
All the filters are available in the custom field when you create it.
Including filters for custom field values.
This will determine the articles shown in the select field that will be available in the article edit view.
I am not sure what you want as an end result, and how you plan to use Articles Field.
I don't understand how you want to use this as a tag for just the admin side.
I think Articles Field is not what you want or expect it to be.
I created Fields using the standard field Creation in joomla. I don't see anything related to your plug-in there. I looked everywhere to create what you're asking me to create and I can't figure out where to do it