Because they evolve at different rates even though they are both art forms. They had different influences the time period wont effect it.
Answer:
Form or plane
Explanation:
The form, or plane, in visual language (a painting, a drawing, a photograph, etc.) is formed by the union of several lines arranged to circumvent an empty space, either two or three-dimensionally. The form delimits and separates a space then internal from an outer space, infinite.
the ability of creating fine works of art like drawing, painting, sculpting, composition of music,etc is called art skill
hope it helps
