How to sign: any communication that encodes a message
"signals from the boat suddenly stopped";
Categories: communication
Within this category: alarm, all clear, animal communication, bugle call, curfew, distress signal, dog-ear, drumbeat, electronic signal, high sign, indicator, input signal, output signal, phone number, radio beacon, radio beam, recording, retreat, starting signal, storm signal, symbol, telegraphic signal, ticktack, time signal, visual signal, whistle