What's the difference between posing and snapping?

As the name implies, posing is to take pictures, which is generally used on models, posed by models, or under the guidance of photographers, in wedding photography, artistic photo, wedding occasions and other occasions. Capturing is entirely up to the photographer. The person or thing being photographed is completely in a natural state and does not cater to the photographer when shooting. Such as wedding scenes, documentaries, street sweeping, etc. Usually get caught.