Stuart Hall gave the definition of representation as – “Representation is the way in which meaning is given to the things depicted”. “Representation carries the notion that something was there already and through the media has be re-presented”. (YouTube – Representation & the Media: Featuring Stuart Hall)
Hall says that everything that we eventually see has always been present, whether we notice it or not is down to our own perception of the media
Elliott Wisner A2 Media Studies Coursework 
If you quote something Elliott you must explain in your own words what it means to you. This is a much higher level skill that simply quoting what somebody elase has said.