The phrase "measuring performance" refers to evaluating and assessing how well something is performing or functioning. It involves setting standards, gathering data, analyzing results, and comparing them against established benchmarks in order to determine whether a person, organization, system, or process is meeting expectations or not. The goal of measuring performance is to identify areas for improvement, track progress over time, and make informed decisions based on the findings. It can be used in various fields such as business, sports, education, healthcare, and more, to assess productivity, efficiency, effectiveness, and other key indicators that are important to success.