I'm listed as being in an open relationship with Curly (my wife). I just got entangled with a new partner and she is listed as a Partner. I'd like to be able to put all of my partners together in a group at the head of the family listing; currently FB just adds them to the list in the fashion it chooses.
When speaking of various forms of non-monogamy...it ain't poly if you're just fucking around.
While polyamory, open relationships, and swinging are all distinctly different approaches to non-monogamy, they are not mutually exlusive. Folks can, and some do, engage in more than one of them at a time--and it's all good.