It has been traditionally assumed that communication is a process of transmission of information between the addresser, who encodes a certain message, and the addressee, who would decode the message produced by the former. This process is assumed to be possible thanks to the existence of a code. However, certain theories, and mainly, relevance, have made it clear that neither the code nor the process described above are sufficient tools to account for this complex phenomenon. For one thing, were this so, it appears that speakers would always convey what they really want to say, and addressees would invariably manage to decode the "right" message. However, human communication appears to be a much more complex phenomenon, and such a proteic...