Where do you use Engineered Labor Standards (ELS)?

Comprehensive and Detailed In-Depth Explanation:

Engineered Labor Standards (ELS) in SAP EWM Labor Management measure task execution times. Option D ("To define the times that are required to execute an activity in the warehouse") is correct, as ELS calculates standard times for activities (e.g., picking), configured in SPRO: SCM Extended Warehouse Management > Labor Management > Engineered Labor Standards. Options A, B, and C relate to resource assignment, travel, or wave planning, not ELS’s primary purpose.