Definition: "ModActExtScrl" in the Bible refers to a device used for scrolling on scrolls, which was often used for printing or recording information. This term likely comes from "modus ad acto", which means to make an act according to a plan, and "actextscrolling" suggests this device had a scroll attached to it that could be scrolled up and down with the user's finger. It was common in ancient manuscripts where scrolls were used for both writing and printing.