`Top 100 most repeated abbreviations *1. UN* - United Nations *2. NATO* - North Atlantic Treaty Organization *3. WHO* - World Health Organization *4. EU* - European Union *5. USA* - United States of America *6. UK* - United Kingdom *7. USAID* - United States Agency for International Development *8. IMF* - International Monetary Fund *9. WTO* - World Trade Organization *10. UNESCO* - United Nations Educational, Scientific and Cultural Organization *11. UNESCO* - United Nations Educational, Scientific and Cultural Organization *12. NASA* - National Aeronautics and Space Administration *13. FBI* - Federal Bureau of Investigation *14. CIA* - Central Intelligence Agency *15. KGB* - Komitet Gosudarstvennoy Bezopasnosti (Soviet Union Security Agency) *16. OPEC* - Organization of the Petroleum Exporting Countries *17. G7* - Group of Seven (Canada, France, Germany, Italy, Japan, UK, USA) *18. G20* - Group of Twenty *19. ASEAN* - Association of Southeast Asian Nations *20. APEC* - Asia-Pacific Economic Cooperation *21. NAFTA* - North American Free Trade Agreement *22. OECD* - Organisation for Economic Co-operation and Development *23. WHO* - World Health Organization *24. IPCC* - Intergovernmental Panel on Climate Change *25. IAEA* - International Atomic Energy Agency *26. UNESCO* - United Nations Educational, Scientific and Cultural Organization *27. UNHCR* - United Nations High Commissioner for Refugees *28. UNICEF* - United Nations Children's Fund *29. WTO* - World Trade Organization *30. IMF* - International Monetary Fund *31. EU* - European Union *32. NATO* - North Atlantic Treaty Organization *33. OECD* - Organisation for Economic Co-operation and Development *34. NGO* - Non-Governmental Organization *35. NGO* - Non-Governmental Organization *36. CIA* - Central Intelligence Agency *37. FBI* - Federal Bureau of Investigation *38. CNN* - Cable News Network *39. BBC* - British Broadcasting Corporation *40. NPR* - National Public Radio *41. WHO* - World Health Organization *42. UNESCO* - United Nations Educational, Scientific and Cultural Organization *43. NATO* - North Atlantic Treaty Organization *44. UNHCR* - United Nations High Commissioner for Refugees *45. AIDS* - Acquired Immunodeficiency Syndrome *46. GDP* - Gross Domestic Product *47. GDP* - Gross Domestic Product *48. H2O* - Water (chemical formula) *49. O2* - Oxygen (chemical formula) *50. CO2* - Carbon Dioxide (chemical formula) *51. DNA* - Deoxyribonucleic Acid *52. RNA* - Ribonucleic Acid *53. ATM* - Automated Teller Machine *54. GPS* - Global Positioning System *55. LED* - Light Emitting Diode *56. USB* - Universal Serial Bus *57. HTML* - HyperText Markup Language *58. URL* - Uniform Resource Locator *59. Wi-Fi* - Wireless Fidelity *60. VPN* - Virtual Private Network *61. HTTP* - HyperText Transfer Protocol *62. HTTPS* - HyperText Transfer Protocol Secure *63. RAM* - Random Access Memory *64. CPU* - Central Processing Unit *65. JPEG* - Joint Photographic Experts Group *66. PDF* - Portable Document Format *67. XML* - eXtensible Markup Language *68. AI* - Artificial Intelligence *69. IoT* - Internet of Things *70. SaaS* - Software as a Service *71. VPN* - Virtual Private Network *72. IP* - Internet Protocol *73. ISP* - Internet Service Provider *74. SEO* - Search Engine Optimization *75. ROI* - Return on Investment *76. KPI* - Key Performance Indicator *77. FAQ* - Frequently Asked Questions *78. B2B* - Business to Business *79. B2C* - Business to Consumer *80. C2C* - Consumer to Consumer *81. CEO* - Chief Executive Officer *82. CFO* - Chief Financial Officer *83. COO* - Chief Operating Officer *84. CTO* - Chief Technology Officer *85. IPO* - Initial Public Offering *86. ROI* - Return on Investment *87. USP* - Unique Selling Proposition *88. HR* - Human Resources *89. PR* - Public Relations *90. CSR* - Corporate Social Responsibility *91. CRM* - Customer Relationship Management *92. ERP* - Enterprise Resource Planning *93. MNC* - Multinational Corporation *94. SWOT* - Strengths, Weaknesses, Opportunities, Threats *95. LLC* - Limited Liability Company *96. NDA* - Non-Disclosure Agreement *97. R&D* - Research and Development *98. TBA* - To Be Announced *99. ASAP* - As Soon As Possible *100. ETA* - Estimated Time of Arrival