For knowledge of organizational communication to increase, new concepts must be developed and correlative or even causal relationships between communication concepts and other organizational variables must be established. Here, meanings of "organization,""information,""communication," and "other organizational variables" are explicated, and three dimensions useful to organizational communication--structure, function, and system level--are introduced. Prior works on these dimensions are reviewed. New research questions based on these concepts are suggested. These questions, which are important both for theory-building and for solving real-life problems, concern three areas: indices of work performances, the economic aspects of communication, and the relationship between the communication practices of an organization and their impact on the feelings of dignity and self-worth of the members of that organization. (JK)