2D Animation involves complete story boarding right from every scene of the animation, background design, character design and cell animation having a precise frame-to-frame animation. It also involves perfect voice synching and flow of the animation with any background music involved.
3D Animation brings life to a thing that does not exist in the world yet. Not just as models but also speaking your language and dancing to your tunes. With the right story board, good models, clear animation and enthralling music make your every second count, beautifully.