Maybe it won't matter too much for you.
For poles of all kinds (story, mortuary, totem), you need to know which end was "up" in the log.
To avoid run-outs with long splits, you break from top down, those layers go inside the newer ones.
Even to carve detail in a little split post cedar pole of 64", marking which end was "up" helps a lot.
For big log poles, you need to know which was the north side (fewer branches & knots).
For poles of all kinds (story, mortuary, totem), you need to know which end was "up" in the log.
To avoid run-outs with long splits, you break from top down, those layers go inside the newer ones.
Even to carve detail in a little split post cedar pole of 64", marking which end was "up" helps a lot.
For big log poles, you need to know which was the north side (fewer branches & knots).