What indicates the delay between a control operator action and the corresponding change in the transmitted signal?
Why In remote station operation, commands and audio travel over a network, and the round-trip time between the control operator pressing a key or turning a knob and the transmitted signal actually changing is called latency. It comes from network transport delay plus buffering and digital audio encoding/decoding in the remote control link. High latency makes fast-paced work like contest pileups or full break-in CW awkward because your action lags behind what you hear.
Watch out Jitter is the variation in that delay from packet to packet, not the delay itself; hang time is how long a VOX or repeater circuit stays keyed after audio stops, and anti-VOX keeps received audio from tripping the VOX.
Latency = lag, the average delay. Jitter = how much that lag wobbles.