Board Thread:General Discussion/@comment-30231626-20161015043220/@comment-25936766-20161016002530

ChishioKunrin wrote: I listed some more stuff about how the symbols tend to fit the character above, though the "???" section I put is basically "I don't fully get why this is their symbol." I know (now), but I posted without checking if someone made any other posts.

That said, I did get to explain why a Rainbow fits Jaune (or the Arc family at least).