The representation of anything by symbols, or of investing things with a symbolic meaning or character.
The twilight movies have quite a bit of pro-abstinence symbolism.
A word that can be used to pass advanced English class if used enough times.
teacher: so what does this book tell us about society?
student: Dude, it's like, symbolism, you know, sybolism, symbolism...uh...SYMBOLYSIM!
teacher: A+++++++++++++ FOREVER!
student: Dude, THAT is symbolim.