The form of an object includes the width,height,texture,depth and even volume of the object versus the shape of the object. the form of an object can be two dimensional or three dimensional.
The two dimensional objects forms are flat in nature having height and width while three dimensional object forms includes the height, width and depth of the object. the shape of the object are used to know the area of the objects and they combine to give an object the required form it has. this makes the shape of an object as important as the form of an object.
<em><u>the size of an object as compared to another object.</u></em>
Explanation:
Proportion refers to the relative size of parts of a whole (elements within an object). To create a good proportion is imperative the understanding of perspective, and the rule of three points.