The PDF shows which colour markers to use on a specific date and the arrow indicates the direction of play.
The examples below show:
The colour marker
The arrow for the direction of play as seen from the Pavilion.
A rink divider is placed on the 1st colour marker for the day, a rink number goes on the 2nd, another rink divider on the 3rd and the next rink number on the 4th ... and so on.
If required, rink dividers are also placed on black markers on the sides of the green to depict the length.
These show the minimum length that the jack should be at, when the mat is placed at the minimum distance away from the edge of the green.