What is the definition of space in visual art

PS. I need help with both questions

"im only a crack in this castle of glass" what band says this in one of there songs its a project for school dont report. im doing a project on music and bands.

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?

Which rule of composition applies to portraits? a. lead the eye the eyeline rule c. the rule of odds d. use of lines e. rule of thirds