This book was meant to be concise in nature to simplify and demystify economics and its role in business, and human activities. This book of work is especially relevant to people today in the eve of the 21st century, where the very nature of human activities is changing may be forever, because of technological advancements and the applications of Artificial Intelligence "AI". Such applications are not only causing massive disruptions to the way we do things, interact, behave and consume, but, changing the rules and principles of economics as we know it, may be forever. Therefore, documenting what we know about economics, in a simplified manner, that includes economic terms, theories and concepts is necessary at this juncture of human development. This book took the form of simplified language, presentation and display of concepts and topics to make it more enjoyable read. This is specifically true in the case of international readers or English second language, where they make up the majority of readers across the interconnected digital world.