link
1.
[Network]
A physical connection (electrical or optical) between two nodes of a network.
2.
[Network]
Two unidirectional fibers or conductors transmitting in opposite directions and their associated transmitters and receivers.
3.
[Network]
A collection of multiple lanes.
5.
[Fibre Channel]
The point-to-point physical connection from one element of a Fibre Channel fabric to the next.