19.0

6 Interface
The advantages, especially in modeling, are obvious. Since the object contains few points (edges/polygons) that can
be edited it remains very manageable. You can drag just one point of the original wireframe and the Subdivision
Surfaces mesh, with its finer subdivision, will follow the point being dragged (The image below shows the same Cube
object – one with Subdivision Surfaces and one without).
If the polygon object were made up of such fine subdivision modeling, it would be much more complicated. You
would pull one point and only one point would be moved. All other surrounding points would retain their position.
You would have to move each one individually in order to achieve the desired shape.