Contour Lines.
A perceived line that marks the edge of a figure as it curves back into space. Contour lines are created by the edges of things. Contour lines are lines that surround and define the edges of a subject, giving it shape and volume
Henri Matisse, André Derain, Albert Marquet, Maurice de Vlaminck, Kees van Dongen, Charles Camoin, and Jean Puy at the Salon d'Automne
The vantage point can be indicated through many types of art principles. One of them is the difference in size and perspective. The other dancing pairs are angled, therefore, creating the viewer to be less attracted to that which is angled, and focus more upon the subject that is most present in the art, whereas the subject that is in the center. The vantage point is analyzed by the distance between objects, as well as, the location, of the subject in the background, middle gorund, and foreground.