In the graphical user interface, the icons are laid out in a 4 (cols) x 3 (rows) grid. Each one of this corresponds to a key on the number pad.

For example, to select the top left icon, press the 1 key. To select the top right icon, press the * key.

Graphical Menu with grids

You can see the graphical menu divided into a virtual grid of 4 columns by 3 rows.