An imagemap for the Windows help system. The image along with coordinates for the various hotspots are stored with an .SHG (Segmented HyperGraphic) file extension.
"shed graphic." YourDictionary, n.d. Web. 27 May 2018. <http://www.yourdictionary.com/shed-graphic>.
shed graphic. (n.d.). Retrieved May 27th, 2018, from http://www.yourdictionary.com/shed-graphic