Idea of Sorting Icon
There are 5 lines running horizontally equally spaced. As the lines moved down in the set each one is shorter than the one before showing a gradual decrease in over all size. Pretty much like a signal strength image but on its side
This page contains the Sorting vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.