This is Part 2 of W. Rupprecht's German book on "Cognitive Communication" in its English translation by W. Lange.Cognitive communication theory represents all fundamental components that play a role in communication in order to acquire knowledge and describes the dependencies between them, as many processes in nature and in social interaction can be explained in this way. Part 1 on "Relations, Effects, and Types of Communication", a general and complete overview is available.Part 3 "Relationship between Energy, Entropy, and Information level", Part 4 "Transport of Messages and Information", Part 5 "About Perception, Expression, and their Relation with one another", andPart 6 "On the Origins of Meanings and Language"are yet to come - hopefully ...