You know the basic idea of Roundnet and can play together with others. If somebody asked you about the rules you would probably refer to someone else for help.

You know the rules and can explain pockets, hinders and roll-ups quite well. You also know how points are awarded and counted, and you know that after a point is scored on your own serve, you must play the next serve to the other person.

You know the rules and can recognize pockets, hinders and roll-ups in the flow of play. You know the finer points of the serve and know exactly what is allowed and forbidden.

During the game there are no more questions about the rules and terms like lip, carry or foot fault are not new to you. You know when you are allowed to enter the No Hit Zone and when not. You would feel comfortable observing a game.