For example, a dimension of a rectangular room on a blueprint, 14′ 11″ X 13′ 10″ equates to a room size of 14 feet, 11-inches wide by 13 feet, 10-inches long. Dimensions are expressed as width by length by height or depth in three-dimensional space.

What is the correct order to write dimensions?

Length, width, height, depth.

What are the dimensions called?

The world as we know it has three dimensions of space—length, width and depth—and one dimension of time.