The three-dimensional graphics mainly involves the display of multimedia effects. In this kind of computer graphics, an animator uses a ...
computer? video editor? lol if you are looking for specific software there is 3ds Max, Maya, and Blender(which is free!! @ http://www.blender.org/), you can also edit in motion builder software and any video editing like Adobe Aftereffects.
I wouldn't be so enthusiastic about blender...it kinda sucks in my opinion...all you get is cartoonish stuff...if you want something really professional 3ds max or maya are the best.