You can use ZoomShift without setting up positions or locations. However, if you have more than a handful of employees this is not recommended. Positions and locations are a way to organize your schedule and make using ZoomShift much easier.
We have a tutorial video that covers some of the information in this article. If you like watching instead of reading you should check it out!
When editing an employee you will notice that you can select the positions/locations that an employee is able to work. You can select one, a few, or all positions/locations. These fields look like this:
Instead of assigning positions/locations to an employee you can also select the employees that are able to work each position/location. When editing a position/location this field looks like this: