Welcome to Wagn. This +freestyle space is for you to type whatever you want, for others to leave you notes, etc. You can click on any of the "Add +" links to add those fields your User card. Feel free to play around and ask questions.
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Mark, earlier you wrote "still clueless after looking how this differs from a wiki...." and im' wondering if you have more clarity now? The initial difference was the ability to "plus" two cards together, which lets us do things like +bio, +freestyle, etc. Then we created structure, which with inclusion (implemented in other wikis and typically called transclusion), enables stuff like having every User card have the same stuff on it (see User+*type+*structure). Does this give any clues? Feel free to contact me with any questions. --John Abbe