A few rules apply
The reduced price is only possible, as the area is situated up to the stage, and therefore can not be used for traditional stands with associated higher m2 prices.
The condition for participating in the “Walk & Talk” area is, that the exhibitor respects when there are presentations or lectures from the stage.
During those times, you have to take down any roll-ups that might obstruct the view of the scene, as well as dampen the tone, so that you do not bother the speakers with disturbing talk.
You are very welcome to head for the café / bar, or other areas at the fair, where you may continue conversations with interested guests etc.