Contour lines<span> define the edges of objects, like the sides of a bookcase, the edges of a table, a boulder, a window. Contour </span>lines<span> define both the edges of the object and the negative space between them, such as the space between the rungs of a ladder. </span>Implied lines<span>.</span>
Yes, the elements are arranged so that there is a sense of balance but not identical to one another.
Who are you talking about could you explain more
I think it is called isostasy
