Soft drinks are not put on shelves in Norway, but rolled onto the store floor on pallets, where cases of soda is organized in a way that gives the customer access to all the kinds of soft drinks that the store sells. The pallets and cases become the shelving for the soft drinks and beer.
Torg means market square, so think about a brustorg in the same way as most stores have produce marketplaces inside. The references below are pictures showing the concept.