Which of the following habits involves prioritization?

Prioritization is fundamentally about identifying what is most important and managing tasks based on their significance and urgency. The habit that best embodies this concept is the one focused on putting "First things first." This habit emphasizes organizing tasks and responsibilities according to their priorities.

By concentrating on the most vital activities, individuals can optimize their time and resources, ensuring that they address essential tasks that align with their goals and values first. This approach facilitates effective time management and enhances productivity, allowing individuals to focus on what truly matters rather than getting sidetracked by less important tasks.

In contrast, the other options involve various aspects of personal effectiveness and interpersonal relationships but do not specifically address the notion of prioritization. For instance, "End in mind" emphasizes the importance of having a clear vision of your goals, while "Think win/win" focuses on collaborative and mutually beneficial relationships. "Understand and be understood" prioritizes effective communication. Each of these habits plays a crucial role in personal effectiveness but does not specifically deal with the prioritization of tasks in the same way that putting "First things first" does.