psychology, marketing, and advertising. In public relations and communication science, it is one of the more ambiguous concepts in the field.

Although it has definitions in the theory of the field that have been formulated from the early 20th century onward, in more recent years it has suffered from being blurred, as a result of conflation of the idea of a public with the notions of audience, market segment, community, constituency, and stakeholder.

Etymology and definitions

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