A Work Order is a medium of communicating jobs among users. It's a means of delegating work. This is how it works.
The admin creates a Work Order and explains what needs to be done within the description. Then he/she assigns anyone from the team to it.
Once the work order is assigned to someone, that person gets notified about the job. The assignee is able to view the Work Order details on their device, can complete the job as explained, and mark it as complete.
The worker can also add comments/notes about the job under the updates tab. The admin can then monitor the Work Order status, updates, etc.