What lines are NOT used when creating linear perspective? help

In an article about americans working in middle eastern countries, cicy, a white journalist, is described as knowing that she should cover her hair when she leaves her house. according to this article, cicy:

Frank gehry’s guggenheim museum in bilbao, spain, and louise bourgeois’s sculpture maman exemplify many of the themes of this chapter. identify two of the elements or principles discussed in this chapter that either the architect or sculptor have used in creating their artwork. how have these artistic devices been employed, and what effect do they have on the viewer?

For the difference command to work, what needs to happen?