One of the central endeavors in contemporary philosophy has been to arrive at some clear understanding of the nature of communication. This concern has been motivated, in part, by the use made of facts about general features of language in traditional philosophical arguments, to conclusions about the ultimate structures of reality. In my thesis I have attempted to advance a certain precise view of communication. I begin by distinguishing between the process of communication and the corresponding concept. I assume that a useful strategy for orienting oneself with respect to the ontological question concerning the nature of the process, is to delineate, in a formal manner, those conditions (in some sense internalized) which explain how we are...