Uipath robot utilization


I am new to installation and setup with Uipath

My Company has purchased below licenses.

I need to know how can i well utilize the below robots.
and how to use them as per my projects.

and what is UiPath Apps

5x Attended Robot Named User
5x Unattended Robot Concurrent
5x UiPath Apps

1x Non Prod Orchestrator
4x Non-Prod Robots
2x Studio Named User
1x UiPath Apps Non Prod