System of measurement refers to the method or framework used to quantify and compare physical quantities. This system typically includes units of measurement, such as meters, grams, and seconds, as well as the rules and conventions for using these units. Different countries and industries may use varying systems of measurement, with the most commonly used being the metric system and the imperial system. The system of measurement plays a crucial role in science, engineering, trade, and everyday life, as it allows for accurate and standardized communication of quantities.