C. the study of the meaning and imagery in art in its broader cultural or artistic context. Iconology is the study of visual imagery and its interpretation and symbolism, especially in a broader context e.g. social or cultural terms.
Shrek is a big, green, ugly ogre with a heart of gold. Based on the 'foul and fearless' creature in illustrator William Steig's children's book, Shrek revels in his ugliness and wonders at the damage and destruction it can cause. Why kids will love him: He's flatulent, rude and dirty.
Main Character Just what it sounds like: this is the character who the story is mostly about. Confused? Often his or her name is in the title: Shrek, King Arthur, Tootsie, Citizen Kane. Protagonist The character who changes over the course of the story, travelling from Point A to Point B, either literally or figuratively.