Dimensions of communication ; Models of the communication process ; Lasswell's view of communication ; Shannon and Weaver's view of communication ; Schramm's view of communication ; A transactional model ; Contextual approaches to communication ; Nonverbal communication ; Intrapersonal communication ; Maslow's hierarchy of needs ; Interpersonal communication ; Buber's theory of interpersonal relationships ; Schutz's interpersonal needs theory ; Small-group communication ; Organisational communication ; Mass communication.