1. Communication is the modus operandi of social and commercial intercourse. It is communication which gets the world going. It is the lifeblood of any group or organization. The communication process encompasses men, women and children as individuals and also members of a group, society, community or organization.
2. Communication is relevant not only to human beings, but also to other living beings. It is the most important link that connects all living organisms. Communication takes place not only among people, but also between people and animals and between animals. The dog owner, the horse rider, the ringmaster in the circus and the fortune-teller communicate with their animals and birds.
3. It is the ability of mankind to communicate across barriers and beyond boundaries that has ushered the progress of mankind. It is the ability of fostering speedy and effective communication around the world that has shrunk the world and made ‘globalization’ a reality.
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Communication has had a vital role to play in ensuring that people belonging to a particular country or a cultural or linguistic group interact with and relate to people belonging to other countries or cultural and linguistic groups.
Communication is at once the cause and consequence of a powerful world order. Development of varied and sophisticated means of communication over a period of time has brought human beings across the globe closer and has facilitated speedy and effective transmission of thoughts and ideas.
The expanse or reach of communication, therefore, is worldwide and truly encompasses human life in all its facets and endeavours. It galvanizes action among individuals, organizations, societies and the world community at large.
4. Communication adds meaning to human life. It helps build relationships and fosters love and understanding. It enriches our knowledge of the universe and makes living worthwhile.
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Imagine life without various tools of communication—newspapers, books, letters, television and mobile telephone—and the expanse and significance of communication become crystal clear. Understanding the power of communication is imperative for the success of any human endeavour.