signaling

(noun) any nonverbal action or gesture that encodes a message. Synonyms: signal, sign. Example: "Signals from the boat suddenly stopped."

(verb) communicate silently and non-verbally by signals or signs. Synonyms: sign, signal, signalize, signalise. Examples: "He signed his disapproval with a dismissive hand gesture." "The diner signaled the waiters to bring the menu."

(verb) be a signal for or a symptom of. Synonyms: bespeak, betoken, indicate, point, signal. Examples: "These symptoms indicate a serious illness." "Her behavior points to a severe neurosis." "The economic indicators signal that the euro is undervalued."