The document provides an overview of public relations including definitions, roles, crisis communication plans, functions of PR, differences between PR and branding, qualities of PR practitioners, differences between in-house PR and agency PR, media and non-media PR tools, importance of social responsibility and new age media in PR campaigns. Key points include defining PR as managing relationships between an organization and the public, the importance of planning for crises in advance, functions of PR like building reputation and handling media relations, and examples of using new age media like social media and websites for PR campaigns.