In the feedback loop of the communication process, feedback refers to

the sender$\text{'}$s interpretation of the response that indicates whether the message was decoded and understood as intended.

the impact the message had on the receiver's knowledge, attitude, or behaviors during the communications process.

a mutually shared understanding and knowledge the sender and receiver apply to a message so that it can be communicated effectively during the communication message loop.

any unsolicited response from consumers or potential consumers regarding a company's message.

extraneous factors that can work against effective communication by distorting a message or the feedback received.