Backshot vs Packshot - What's the difference?
backshot | packshot |
(of a water wheel) Having the water introduced just behind the summit, combining the advantages of breastshot and overshot systems, since the full amount of the potential energy released by the falling water is harnessed as the water descends the back of the wheel.
(advertising) A still or moving close-up of a (usually packaged) product, used to portray the product in advertising.