What is true about the differences between background and foreground processes? (check more than one possible option

The difference between relief and intaglio printing in art

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?

Ineed someone to describe what they mean in the instructions !