An artistic style that departs from the conventions of realism & naturalism & seeks to convey inner experience by distorting rather than directly representing natural images. (Seen in early paintings of Vincent van Gogh).
Hope this helps (: <span />
Explanation:
They are all landscapes of something in nature or the city and they are different because they are of different places. I don't know if that is what you are looking for but there you go.
A) refers to the visual “heaviness” or “lightness” in a work of art.