feedback

noun1 of 2

a response to a message; information about a person's behavior

• “Feedback is something without which healthy, long-term communication is impossible.”Tatoeba
• “The company welcomes feedback from consumers who use their products.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.