The goal is to demystify complexity and showcase key internal features, systems and mechanisms.
"Enjoy failure and learn from it. You can never learn from success"
A technical cutaway (or "exploded view," "section view," or "ghosted view") is a visual illustration where the outer surface of an object is partially removed, allowing the viewer to see the arrangement of the interior parts in relation to the exterior.
Motion
The technique of animating mechanical parts to reveal their internals is called an exploded view animation and it's heavily used in engineering, marketing and instructional materials.