Scrollbars, buttons, etc.- Smaller than a Component. Highly reusable items, used many times, over and over, in other places. Some similar sized items are not widgets, because they are custom implemented items. This definition http://www.webopedia.com/TERM/W/widget.html (#1 only)except mobile scale is smaller, so don't include Pop-Ups, and we put a few things like scrollbars somewhere else for organization.