What do pictorial drawings have that can someone visualize objects?

a.
an x axis and a y axis
b.
depth
c.
several different types of lines
d.
a plane

Prompt why do you think there is so much controversy over whether figures are allowed in islamic art? some say they are as long as it is not idolatry, while others say it is prohibited? what is your opinion on the subject? explain your answer.