The wtfutil uses a grid when placing elements. This is a visual representation of the grid, just to make it easier to understand.
TOP | ||||||
0 | 1 | 2 | 3 | 4 | ||
L | 0 | |||||
E | 1 | |||||
F | 2 | |||||
T | 3 |
This resembles the 4th. quadrant in the cartesian coordinate system, but all the numbers are positive, 0,0 is the top-left corner.