Public Relations and Press Relations (both of them are normally shortened by PR) often was regarded as same.
Of course this view was wrong, because these press relations only were some part of the public relations. The use of press relations depended how far on the role and the existence of the mass media personally as well as the level of his acceptance by the community.
Because of that press relations were more popular in industrialized countries that have advanced, that most of his inhabitants lived in areas of urban areas where the mass media was in the number as well as the abundant variation.
The aim of the subject of the holding of press relations was “create knowledge and understanding”, so clear not only spread a message in accordance with the holding company's wish or the client for the sake of got “the image or the noose that was more beautiful than original him in the eyes of people”.