Skinning is typically just the act of attaching a mesh to a rig and painting the weights. Rigging as a term also includes things like setting up IK handles and other controls.
Rigging is building the skeleton and systems that the animators will use. Things like setting up:* IK/FK blending on limbs. * Facial controls. * Motion capture integration * Rotation controllers for eyes and heads * Creating a final skeletons for the engine to use. * Creating the systems that blend and align the final…