"X Cubed" refers to the mathematical expression where a variable, represented as X, is raised to the power of three. This operation means multiplying X by itself two additional times, resulting in X × X × X. The outcome is known as the cube of X, which can be visualized as the volume of a cube with side length X. In geometry, cubing a number is significant because it relates to three-dimensional space. For example, if the side of a cube measures X units, the volume is calculated as X Cubed. This concept is widely used in various fields, including physics, engineering, and computer science.