The concept refers to that which possesses physical form, occupies space, and is perceptible through the senses. It denotes material existence, encompassing tangible entities such as objects, organisms, and elements. An example includes a rock, a tree, or a human body, all demonstrably having mass and volume.
The study of material existence is fundamental to numerous disciplines, including physics, biology, and philosophy. Understanding its properties and behavior allows for advancements in engineering, medicine, and other applied sciences. Historically, its nature has been a central question in metaphysics, influencing philosophical views on reality and the relationship between mind and matter.