The term "tallest" refers to the highest point or measurement in height among a group of objects or individuals. It is often used to describe buildings, trees, or people. For example, the Burj Khalifa in Dubai is currently recognized as the tallest building in the world, standing at 828 meters (2,717 feet). In the context of people, the title of the tallest person is often attributed to Robert Wadlow, who reached a height of 2.72 meters (8 feet 11 inches). Height can be measured in various units, including meters and feet, and is a common way to compare size in both natural and constructed environments.