Which of the following represents an arbitrary means of signaling identity for humans?

According to Syd Field's diagram, the narrative structure of a movie can be broken down into

a. five acts. b. three acts, with ten to twenty "plot points." c. one act, with five scenes. d. prologue, act I, interlude, act II, epilogue.

Light sourcesimulation is agoal ofthis typeoflightingdesign:

a. pictorial b. low-key c. realistic d. poetic