They tell us that proportion is about the harmonious relation of parts to each other or to the whole... You can call it symmetry and it might jump right to your face waggling its tale, as friendly as they are. "Anything that is precise looks beautiful, anything that balances in all its parts, anything that is proportionate" wrote Hilary Mantel in her famous book "Wolfhall"...and it doesn't matter if it happens in 1500 or 2020.