1) Cutting grooves 
• (n.) The act or process of making slots, or mortises.
Slot'ting noun The act or process of making slots, or mortises. 
Warehouse slotting is defined as the placement of products within a warehouse facility. Its objective is to increase picking efficiency and reduce warehouse handling costs through optimizing product location and balancing the workload.
: the determination of the locations to be assigned to specific items in a fixed location storage facility.