In this section you would normally put all the devices that are connected to your network infrastructure, so devices like:
•Servers
•Printers
•Workstations
•Thin Clients
•Laptops
•Mobile telephones
•etc…
Just keep in mind, these devices should have direct connection to the network!
A way to determine this is to look if it receives an IP Address.
If not, it is a shared device that should go into the peripherals section