Quantity refers to the measure or amount of something, be it tangible or abstract, that can be counted, measured, or compared. It encapsulates the numerical value or magnitude of a particular attribute, substance, or entity, serving as a fundamental concept across various disciplines, including mathematics, physics, economics, and everyday life. Whether it's the number of items in a collection, the mass of a substance, the volume of a container, or the intensity of a phenomenon, quantity provides a means to quantify, analyze, and communicate information about the world around us, shaping our understanding and enabling informed decision-making.
