> down: go down (just like up).
kjhlyubn - go one step in the direction indicated.
k: north (i.e., to the top of the screen),
- j: south, h: west, l: east, y: ne, u: nw, b: se, n: sw.
+ j: south, h: west, l: east, y: nw, u: ne, b: sw, n: se.
KJHLYUBN - Go in that direction until you hit a wall or run
into something.
m (followed by one of kjhlyubn): move without picking up