Answer:
D. Keep​ end-aisle locations empty to facilitate traffic flow.     Â
Explanation:
The planned use of a space of a place to impact the experience of the customers is called  a retail​ layout. The strategic use of the space management  and floor plans to optimize the shop floor layout is the store design.
And the customer flow means the pattern or ways that different customers moves across the retail store.
Thu the following is not helpful for a retail layout ---
D. Keep​ end-aisle locations empty to facilitate traffic flow.     Â