What is an artist's personal way of expressing ideas in an artwork?

You Really have to find that out your self. for me i looked at others and copied and made random tweaks and then eventually found out What colors material (etc.) that I preferred to use and that lead me to what I draw now
It's hard to explain but it's different for everyone so yea

Id click on the little pic on the camera with the dude running 

The taj mahal is made entirely of white marble so the answer is a. hope this < 3