what is graphic, what does a graphic design do.

I know that graphic means as...Placing or arranging pixels with graphical dimensions(x,y,z)...in 2D and 3D also.

When you say that something is graphic, it is something which makes you see vividly that which is presented. A graphic view of a singing brook, presents a view of how a brook actually looks like - its surroundings where there are trees, the grass, the mountainslope, maybe some animals around drinking from the running cool and clean water; a graphic crime, presents the way a crime is being committed, right before your very eyes, as though you are experiencing it yourself. The movies are doing these effectively.

Graphics means example you can make a big forest in frount of you at a secound and you can make any thing at your own place with out visiting the place or with out taking more risk. almost all films using the graphics only