Designing design and designing media

When we reframe design through a discourse, designing on a meta level, we are actually designing design, as we are giving design a different meaning, changing frame to include or exclude what we do or don't consider as a part of the field. Therefore we need to frame at first what we understand in speaking about design. And it is far more complex to speak about media design, since it triggers the idea of designing media. Marshall McLuhan's thoughts on media will help to explore what a media designer actually does; what he designs. However, if the digital media comes into place, the new medium, the digital medium, suddenly is the major carrier of all of society's messages. How does it change the designer's work, and does it require a different designer