What Does AMD Fusion Mean?

Techopedia Explains AMD Fusion

AMD Fusion was first announced in 2006 and the first products containing this technology came out in early 2011, mostly desktops, notebooks and HD netbooks. Products containing the Fusion APUs do not have a Fusion sticker, but are labeled under the Vision brand, as this is the company’s external naming convention for devices that contain the Fusion APU. AMD Fusion is an internal naming convention.