Metrics are measurements used to assess and evaluate performance, progress, or quality in various fields. They help individuals and organizations understand how well they are doing in achieving their goals. For example, in business, metrics like sales figures and customer satisfaction scores provide insights into how effectively a company is operating. In the world of fitness, metrics can include steps taken, calories burned, and heart rate. These numbers help people track their health and make informed decisions about their exercise routines. By analyzing these metrics, individuals can set realistic goals and monitor their improvements over time.