Which of the following are key elements of communication?

The correct choice includes the components essential for effective communication: sender, message, atmosphere, and receiver.

The sender is the individual or entity initiating the communication, responsible for conveying information. The message is the content or information being communicated, which can take various forms such as verbal, written, or non-verbal cues. The atmosphere refers to the environment in which communication takes place, influencing how the message is interpreted. Lastly, the receiver is the individual or entity that receives and interprets the message, completing the communication loop.

When all these elements interact harmoniously, the likelihood of successful communication increases. Understanding these components is critical for security personnel, as effective communication can significantly impact how they manage situations, coordinate with teams, and respond to incidents.