What does work center mean in sap PS?

In SAP Project System (PS), a work center refers to a specific location where work is carried out, typically associated with a particular type of task or process. It can represent a physical location, like a factory or workshop, or a specific group of resources or personnel assigned to perform tasks. Work centers are crucial for planning, scheduling, and managing project activities, as they help allocate resources and track costs associated with project execution. They are also linked to other components in SAP, such as production planning and capacity management.