Ok, if you go driving, you may occaisionally notice cars with small, square stickers, usually with simple, abstract symbols like
These symbols all mean something to people who are in the know, and they can be an effective way for a subgroup to self-identify. While they most commonly show up on cars, if you're looking, you'll see them in badges, patches, banners and tatoos. I find it absolutely fascinating.
I've been wondering whether gaming would benefit from such a symbol, and I am curious what people think of the idea.