👉 A concept in mathematics that refers to a property or characteristic of a shape, object, or event that is directly associated with its size. It can be used to describe the extent to which an element's dimensions are large compared to others, such as a book, a desk, or a car. For example, if we look at a bookshelf, it has a length of 2 meters and a width of 1 meter. This means that the bookshelf is longer than its two sides combined