In film, each scene is made up of shots to build coverage to edit together a final scene. There is a language to film, and if we think of it in terms of actual language, then we could think of a scene as a sentence. In this case, camera shots would be words, coverage would be the collection of words we've chosen to use to form that sentence, and editing would be the organization of those words to form the final coherent and hopefully emotionally impactful visual sentence. Before we can build our visual sentence, we must first understand all the words (shot types) we can choose from.