Which Areas On A Netball Court Are The Positions Allowed To Go?

In a game of netball the positions are laid out as below.

  GK

  GD   WD

  C

  WA   GA

  GS

GK (Goal Keeper) - Is only allowed in the the top third. They can go in and out of the semi-circle.
GD (Goal Defence) - Is allowed in both the top third and middle third (2/3), and are also allowed to go in the semi-circle.
WD (Wing Defence) - Is allowed in both the top third and middle third (2/3), but are not allowed in the semi-circle.
C (Center) - Is allowed in all thirds of the court, but not allowed in the semi-circle.
WA (Wing Attack) - Is allowed in the middle third and bottom third (2/3), but are not allowed in the semi-circle.
GA (Goal Attack) - Is allowed in the middle third and bottom third (2/3) and are allowed into the semi-circle.
GS (Goal Shooter) - Is only allowed in the bottom third. They can go in and out of the semi-circle.