Key performance indicators (KPIs) are measurable metrics that are used to evaluate the success and progress of an organization, team, or individual in achieving their goals and objectives. These indicators provide valuable insights into the performance and effectiveness of various processes, strategies, and initiatives, allowing for informed decision-making and continuous improvement. KPIs are carefully selected and tracked over time to monitor progress, identify areas for improvement, and drive overall performance towards desired outcomes. They serve as a critical tool for businesses and individuals alike, providing a clear and quantifiable way to measure success and drive towards success.