On-screen arrow that is clicked in order to scroll the screen in the corresponding direction. The screen moves one line, or increment, with each mouse click.
"scroll arrow." YourDictionary, n.d. Web. 08 June 2018. <http://www.yourdictionary.com/scroll-arrow>.
scroll arrow. (n.d.). Retrieved June 08th, 2018, from http://www.yourdictionary.com/scroll-arrow