Final answer:
The primary purpose of creating 3D sets, assets, and characters in VFX is to enhance the visual elements of a shot or scene.
Step-by-step explanation:
The primary purpose of creating 3D sets, assets, and characters in the context of visual effects (VFX) is to enhance the visual elements of a shot or scene. 3D sets, assets, and characters are created to bring realism, depth, and visual appeal to VFX scenes. They help to create immersive worlds and convey the story visually, adding realism and visual impact to the overall production.