A Large Equation - Small Puzzle

My brother Yzarc is always trying to be clever.
Today he claims that 2 equals 10w43e25s10e36n31w.
Why does he say that?

Hint:
I asked my brother why he chose this particular expression, and he said it was because

Hint 2:
When pressed about why this particular location, Yzarc states:

Hint 3:
This equation has nothing to do with coordinates or math. Try a simple but unexpected approach and consider the numbers and letters involved. The only thing Yzarc used to create it was a

Hint 4: