Length Width Height – Definition, Formula, Solved Examples Length, width , and height are dimensions that define a 3D shape. Learn about the definition, formula, and solved examples of length, width , and height. Take a look at the rectangular box dimensions. Breadth vs. Width What's the Difference? Breadth and width are two terms used to describe the dimensions of an object or space. Breadth refers to the measurement of the distance from one side to the other, typically in a horizontal or lateral direction. It is often used to describe the extent or range of something. On the other hand, width specifically refers to the measurement of the distance from one side to the other in a perpendicular or vertical direction. While both terms are related ... Learn how to set the width of an element using CSS, with different units and values. See examples, browser support, syntax and related pages. The meaning of WIDTH is the horizontal measurement taken at right angles to the length : breadth. How to use width in a sentence.