Sheer size refers to the physical dimensions or scale of an object, often emphasizing its vastness or magnitude. For example, the Great Wall of China stretches over 13,000 miles, showcasing its impressive length and the effort required to construct it. In nature, sheer size can be observed in the blue whale, the largest animal on Earth, which can reach lengths of up to 100 feet. Such examples highlight how sheer size can influence perception, making objects appear more significant or awe-inspiring in comparison to their surroundings.