D: A warehouse management system (WMS) is primarily designed to optimize the internal operations of a warehouse, including inventory management, picking, packing, and shipping processes. It helps manage the flow of goods within the warehouse, organizes storage locations, tracks inventory levels, and ensures efficient utilization of warehouse space. Additionally, a WMS often includes features for optimizing workflows, such as directing pickers to the most efficient routes and managing task assignments for warehouse employees. Inventory management is indeed a key responsibility of a warehouse management system (WMS). By tracking the movement of goods in and out of the warehouse, monitoring stock levels, and managing replenishment processes, a WMS helps ensure accurate and efficient inventory control within the warehouse.Therefore, option D, "supply chain inventory levels," aligns with the inventory management aspect of a WMS.

workflow in the warehouse.

A. workflow in the warehouse. A warehouse management system (WMS) is primarily designed to manage the storage of goods and the workflow within the warehouse. This includes tracking inventory, managing picking and put-away processes, optimizing storage locations, and monitoring warehouse activities. While a WMS might have some influence on transportation schedules, employee schedules, or supply chain inventory levels, its primary function is to streamline and optimize warehouse operations.