What does it mean to "deter" someone from taking action?

To "deter" someone from taking action means to discourage or prevent them from doing something. This term is often used in contexts where an individual or group is influenced not to act, usually through fear, doubt, or the presentation of negative consequences. For example, security measures might deter theft by making it more difficult or risky for potential thieves, thereby discouraging them from attempting to steal. The essence of deterrence lies in the idea of creating barriers or negative incentives that lead individuals to reconsider their choices or actions, guiding them away from a particular course of action. This understanding highlights why this option is accurate and reflects the true meaning of the word.