When the Obvious is Obvious

What do mean when you say drifts?

A big pile of pre deposited snow, moved by wind is what I call a drift.
A big pile of snow moved by man is what I call a bank.
A shit ton of snow that dwarfs anything man made is what I call an inside, video game day.

there like waves.......waves of snow moved by the wind some lil bitty and some huge