1.proportion is of art

As one of the principles of art, proportion refers to how parts of an artistic composition, whether it's a human figure or a face, or other objects that make up the subject matter, relate to each other in size, referring to its dimensions.

Explanation:

I did a huge art project a few years ago and had to do an reflection and state this in it after taking art notes

Hope this helps

soft,hard and rough for soft would be a pillow or a stuffed animal hard wood floor or a table rough paint