In three-dimensional space, three parameters are required to determine the position of an object.
Every object in the universe is 3-dimensional i.e., it has a length breadth, and height and every point in space can be represented by a linear combination of 3 independent vectors.
The three-plane are X, Y, and Z, and the position of an element is denoted as .
is considered as the origin and the value of is the position of the element with respect to the origin.