What Is Photorealistic?

My defenition of Photorealistic is were characters and backgrounds look real even though there not. It can be taken from a real life picture and transfered onto a game, picture etc. Photorealist characters and backgrounds cannot exist whitout photographs. Photorealism can also be used in simulators, movies and many more industrys. Photorealism can start in games from tiles, walls, chairs etc.

Example of a Photorealistic Games:-

Heavy Rain which is avalible on Playstation 3 offers up to date photorealistic gameplay. The walls, Roads & even buildings are all perfectly finished to give it that photorealtic touch.