LAN vs WAN Port in Your Router: What's the Difference?
Dual Band Wireless Service Router with Control Port, 2 WAN Port 4 LAN Ports and 2 USB Ports. the Router Has 3 Antennas Stock Vector - Illustration of connect, dual: 142751826
Difference between LAN and WAN Port
Help in how to route all traffic: WAN - LAN and OpenVPN - LAN - Network and Wireless Configuration - OpenWrt Forum
Wan port cable and lan ports connector on the back panel of dual band gigabit wi-fi 6 router or wireless ax router isolated | CanStock