Which of the following statements are accurate?

a$.$

artists use light and shadow to model objects in two$-$dimensional works to give them three$-$dimensional form

b$.$

when we talk about light in art, we refer to real light and to the representation of light

c$.$

a value scale goes from black to white and does not include color

d$.$

chiaroscuro is an Italian word that means light$/$dark

e$.$

a$,$ b and d only

f$.$

a$,$ b$,$ c and d