Yes, absolutely. Good point. Though one would still need to describe the pattern and how it was helpful as a memory aid... None of the proposals I've seen are s

Yes, absolutely. Good point. Though one would still need to describe the pattern and how it was helpful as a memory aid... None of the proposals I've seen are simple enough that they seem useful for that purpose. But I'm admittedly from a different culture and time, so maybe what was obvious to them isn't obvious to me/us.