Cutaways.

Cutaways is a technique used in film making, it is an interruption of a continuously film action by a view of other thing.
In some cases the filmmaker uses this technique to help the editor to assemble a longer sequence, so thats why editors choose this technique related to the main action, such as another action or object in the same location. This technique is more common been use in drama movies, where they are adjust the pace to the main action to conceal the deletion of some unwanted part of the main shot. Not only in drama movies this technique is been use, it is also use in Horror films, where maybe tat first they would show you the face of a murder preparing for kill someone and then it change and shows you the person who is gonna die, and shows you how is gonna die.