I think, it should be movement.
Diagonal and curvy lines, illusion of space, repetition, energy - all of these create movement.
Thb I really don't know the answer I'm just in the 6th grade and just started middle school
A print is a copy of a painting it isn’t made by the real artist it’s just a copy but a one of a kind painting is a true painting made by the artist and not just copied
Check this, I have included two of them!