What is public relations and its connotation and extension? What are the specific types of public relations?

The origin of the word "public relations": ① 1807 Webster's new ninth edition university dictionary is abbreviated as "PR"; ② 1903 It became a professional profession; (3)1923 It has become a discipline, which is often translated as "public relations". Polysemous words, multiple meanings 2. Meaning a, state b, activity c, occupation d, subject e, consciousness, concept and thought 3. Public Relations Misunderstanding (P 16) 1 Feminization: Beauty+Communication/Gift-giving; Vulgarization: Courtesy, Bribery; Marketing: Marketing Promotion; Commodity Awareness; The Art of Tolerance; Eating Small Losses and Earning Big Losses. Second, the connotation of public relations: (1) the art of shaping organizational image, paying attention to innovation and ingenious conception; (2) management science, focusing on people's hearts; (3) the management philosophy of seeking unity internally and development externally; (4) Intangible assets, "soft competition". Analyze trends, predict consequences, give suggestions and implement plans. (2) Definition of this book: 1. Original attribute public relations are social relations between social organizations and the public that constitute their living environment and affect their survival and development. 2. Comprehensive function defines public relations as the science and art that social organizations communicate, shape images, balance interests, coordinate relations, optimize social psychological environment and influence the public in order to survive and develop. (1) public relations consists of three elements: P 17 communication social organization-the subject and intermediary object of social public communication, the core work: shaping organizational image and coordinating interests; the scope of organizational survival and development; the psychological environment of organizational survival 1. Definition of extension attribute (omitted) ① refers to public relations activities ② public relations occupation ③ public relations science ④ public relations consciousness (concept) The definition of public relations occupation by the Ministry of Labor and Social Security: a person who specializes in the investigation, consultation, planning and implementation of public information dissemination, relationship coordination and organizational image affairs. The basic characteristics of public relations: (1) taking the public as the object; (2) for the purpose of credibility; (3) the principle of reciprocity; (4) Long-term policy; (5) Honesty is the creed; (6) Communication is the means; Public relations includes three elements: social organization, public and communication. At present, most public relations services are based on media public relations, providing customers with products promotion, brand building, reputation management and other services.