While in some ways it is easy to understand, there are times and situations that can be confusing.

The most significant is, the view shows either when a wo is scheduled for you to work (typically best for technicians) or the target date for a work order (more commonly used by administrators)

The next is the view, especially if you go back and forth between small windows (e.g. a phone) and large windows (e.g. a tablet or larger):