They are allowed to some extent. Disruptive means to the point where it is harming other users or disrupting their game. Basically, they are allowed, but if you are asked to stop, do it excessively or people complain, then you can be punished.
This rule allows you to mess about to some extent, however still stops you from ruining the game or harming others.

~Locked as the question has now been answered twice

They are allowed to some extent. Disruptive means to the point where it is harming other users or disrupting their game. Basically, they are allowed, but if you are asked to stop, do it excessively or people complain, then you can be punished. This rule allows you to mess about to some extent, however still stops you from ruining the game or harming others. ~Locked as the question has now been answered twice :P