Running totals and rates of change answer different questions: how much has...

https://www.logo-bookmarks.win/see-how-a-running-total-differs-from-a-rate-of-change-with-parcel-deliveries

Running totals and rates of change answer different questions: how much has accumulated, and how quickly is it changing? See how parcel counts over a shift or rainfall in an hour clarify the difference, with units and time windows in view.