Colors on keys of Final Cut keyboards seem to be arranged in groups of some sort. But I can't figure it out.For example, yellow has Mark In/Out and other marking keys but also Extend Edit. Then, purple has Superimpose, Distor Tool, Hand Tool, etc. Can't seem to make much sense of this organization. Anyone knows how this is organized? Or is it a bit random? I'm using a LogicKeyboard skin for FC.