Because you have used this approach, instead of explaining a great deal of information in a diagram on a single slide for many minutes, you will explain the same information in smaller pieces for less than a minute each, across a series of slides. This ensures you present new information evenly over the sequence of slides of any explanation, showing and saying only the correct information at the correct time to ensure you do not overload or split the attention of the working memory of your audience between what you are saying and showing at any moment.
