So, this label applies to someone who describes their gender by collecting flags based on appearance? Am I understanding that correctly?

I’m not sure what that would entail. How would I check for that?

Those wooden playgrounds. There was one I went to all the time as a kid. It was so much fun and had all kinds of rooms and nooks and crannies to play in. It got replaced with a generic plastic playground at some point, I think for safety reasons.