It’s none of these...
It’s scale since scale is the relationship between objects with respect to size, number and so and so.
Emphasis is special attention given to one part of the content like a red dot in a black image.
Balance is literally balance. Like symmetrical or asymmetrical content to create equality.
Contrast is juxtaposition of different elements to highlight their differences. This one is more likely to be the answer but I’m not sure.
Movement is to create a flow through the painting to take the viewers on a path of discovery.
I would say A. (Black-and-white sketches) <3
Copy the first on the bottom
Hope this helps !
Answer:
Wow you draw a nice diagrams
I liked this