Even if today the possibility of surfing between and through disciplines, topics and modules is highly restricted for university students, some theoretical distinction could be of help to organize the so called chaotic information flow of academic broadcasting and the Internet. It also could help to navigate between disciplines and supporting one of the main interests of the Bologna approach: mobility. Mobility means: to navigate in a pre-given navigational topology of knowledge. In fact, to be able to move up and down the hierarchies, while abstracting from the place and location of the knowledge hubs. Locality of knowledge is reduced to provinciality, supporting the myth of an abstract identity as European.