IN your Question itself you Mentioned as Workstation(s) as plural...a LAN can be the interconnection of more than one Network Device into it..
allows a single computer to connect to a LAN allows a single computer to connect to a LAN
user, LAN, workstation
First thing to check - are you actually connected to their LAN? It's not much use triyng to connect to a LAN game if you aren't.
An LAN card is a must if you wish to connect to a LAN but it is not required for WAN
LAN can be connected by routers . A router can be used to connect to LAN's .a LAN to a WAN and LAN to Internet.
99.9% of laptops have LAN port, locate it and use it.
NIC
A wired LAN uses wires to connect the computers but a wireless LAN uses radio waves.
a way or means to connect to the network & access network resources....
work station is a server which is help us to connect network
The traffic has to go through a router to connect one network to another.