Explain ONE way an artist can create the illusion of space/depth in a work of art. Please use complete sentences

What is the angular extent of an image captured by a camera called?

What dose a half sun or moon in a dream mean

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.