Which VPN options does what?

[Tagor]

Allow Remote Access the LAN Subne
Its bout allowing the Slate (Dubai) to access the Flint-Router-Settings or f.e. printers or other Ressources in the LAN of the Flint

Allow Remote Access LAN - how does this work?

I am trying to understand how this “Allow Remote Access LAN” work. Let’s say my LAN is 192.168.0.x. I start a WireGuard server on the router and I connect to it from a client so the client gets an IP of 10.0.0.2. Does this function mean that if I have a NAS on my LAN 192.168.0.100 I will be able to access it somehow from the VPN client? I guess I will need some extra firewall settings for that? And what about the client side, how my windows client will know the route to 192.168.0.100 from the …