Practical use refers to the application of knowledge, skills, or tools in real-world situations to achieve specific goals. It emphasizes functionality and effectiveness, ensuring that theories or concepts are translated into actions that produce tangible results. For example, using mathematics to calculate expenses in a budget is a practical use of mathematical principles. In various fields, practical use can enhance learning and problem-solving. In education, hands-on activities allow students to apply theoretical concepts, making learning more engaging. Similarly, in engineering, practical use involves designing and building structures that meet safety and performance standards, demonstrating the importance of applying knowledge in everyday life.