The document discusses the key functions and tools of public relations (PR) and marketing public relations (MPR). It outlines that PR includes programs to promote a company's image and products through press relations, product publicity, corporate communication, lobbying, and counseling. MPR specifically supports corporate and product promotion through tools like publications, events, sponsorship, news, speeches, and public service activities. It notes that the goals of MPR are to build awareness, credibility, and influence target groups by properly establishing objectives, choosing impactful messages and vehicles for implementation, and then evaluating the results.