Meaning of PUBLIC RELATIONS in English

ˌpublic reˈlations BrE AmE noun

1 . [uncountable] the work of explaining to the public what an organization does, so that they will understand it and approve of it:

They ran their own successful public relations business in London.

2 . [plural] the relationship between an organization and the public:

The project has been disastrous for the bank in terms of public relations.

a public relations exercise (=done in order to improve the relationship between the public and an organization)

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.