The realm is divided into Rows and Columns. Rows are each contiguous set of squares directly left and right of one another, and Columns are contiguous sets of squares directly in front of or behind one another.
This diagram shows the default shape of the realm, with an example of a Row (marked with "R") and a Column (marked with "C").
| C | ||||
| C | ||||
| R | C/R | R | R | R |
| C |