Which of the following is NOT one of the four C's that apply to traffic stops?

The correct choice is based on the foundational principles involved in traffic stops, commonly referred to as the "Four C's." These principles are essential for law enforcement officers to effectively manage traffic encounters.

Communication is crucial for establishing dialogue with the driver, setting the tone of the interaction, and conveying the officer's intentions and expectations. Control refers to the officer's ability to maintain safety and order during the stop, ensuring that the situation remains manageable and preventing escalation. Cooperation emphasizes the importance of a cooperative relationship between the officer and the driver, which can lead to smoother interactions and compliance.

Concealment, while it may relate to certain scenarios in law enforcement, does not pertain to the foundational principles of effective traffic stops. It does not contribute to the overall safety, interactions, or workflow of traffic enforcement in the same way the other three C's do. Therefore, identifying this concept as not being part of the core four principles underscores its absence in the context of managing traffic stops effectively.