Examine the multiple definitions of Public Relations

Select a company, business, or non-profit organization and provide an example about how public relations (PR) principles apply. ( BlackWater Private Military Company ) Write a 700- to 1,050-word paper in which you examine the following: The multiple definitions of Public Relations. The connection between PR and the promotional aspect of the marketing mix (advertising, publicity, public relations)? How are they similar and how are they different? How might PR be more important during a crisis situation for an organization? Include two outside references as well as citations with your paper.