If anyone could explain the reasoning behind it
The reason behind morse code? It was created to transfer messages through telegraphs
Pretty sure he means the dot and dash combinations. As in, why 'A' is not dot, since it's the first letter of the alphabet?
I think he meant on how the chart is used.
as in, start at the wheel, if the first sound is a dot, go left, if it's a dash, go right. second sound etc
I think this one is easier to read: https://lemmy.world/post/14922746