memory tricks

Odd numbers are black. Even numbers are white. 0 is grey, neither even nor odd.
In grids: x axis horizontal is numeric, y axis vertical is alphabetic.
Six locations: left front right back above below center self
directions: forward backward
time: past is behind and above. future is ahead, in front, and below
cold is down hot is up
dry dirt is down warm in the ground cold clouds of wet water are up high in the sky
fire is hot and up