application called "System", what is it?

under “network security policy” I have on the list an application called ‘System’, I would like to know please what is this application and whats its purpose? it also appears under “Active connections”
thank you

sorry I understand now its another computer on my network please remove my post

The ‘System’ Process is a little more than that. Under Windows, the System process is, amongst other things, responsible for most kernel mode processes. Under CIS, whilst it’s responsible for managing NetBIOS/SMB connections between nodes on your LAN, it also handles most IGMP connections as well as certain types of VPN and UPnP/SSDP connections. there are others…