WHAT IS RELAYING?


i google this one but this is what i found:
re·lay Audio pronunciation of "relaying" ( P ) Pronunciation Key (rl)
n.
1. An act of passing something along from one person, group, or station to another.
2. Sports.
1. A relay race.
2. A division of a relay race.
3. Electronics. A device that responds to a small current or voltage change by activating switches or other devices in an electric circuit.
4. A crew of workers who relieve another crew; a shift.
5. A fresh team, as of horses or dogs, to relieve weary animals in a hunt, task, or journey.

tr.v. re·layed, re·lay·ing, re·lays (rl, r-l)

1. To pass along by or as if by relay: relayed the message to his boss.
2. To supply with fresh relays.
3. Electronics. To control or retransmit by means of a relay

but this is not answer i needed...

Please anybody can explain more better what's the meaning of "RELAYING" in computer terms???