Sketching is freehand and<span> a rough sketch </span>
<span>where as drawing geometric figures is drawn by using ruler,</span>cubes or blocks .
Symbolic proportion is the deliberate emphasis of objects in a work of art based on its importance as a symbol. This can sometimes also mean that in an artwork where symbolic proportion is applied, religious figures tend to be "bigger" or more emphasized compared to any other element a person may see in the piece.
The artist may have used symbolic proportion to emphasize the importance or prominence of Mary and Jesus Christ - this may be relative to any smaller objects around them in the scene.
Why couldn’t they have lived happily ever after ? Lol