A channel is typically what you rent from a telephone company.
The channel is created by bonding the signals from these four pairs.
Word: "channel"
the same meaning

Give the orders.
I gave my coat to the beggar.
Word: "give"
different meanings

I carry her image in my mind's eye.
The senator carried his home state.
Word: "carry"
different meanings

The soccer player began to swing at the referee.
This action swung many votes over to his side.
Word: "swing"

different meanings