A Workstation is a single production resource with its own scheduled work queue and typically handles one task at a time.
The clearest example of a Workstation is a production machine with a unique work queue. A Workstation can also be, for instance, a welding point, where different individuals weld in the morning and evening.
Each Workstation has its own Capacity and rules. It can also have one or a group of people working on it. You can define these according to your company in SkyPlanner.