In this concise book, we delve into the evolution of Corporate Social Responsibility (CSR), tracing its journey from philanthropy to addressing complex societal and environmental issues. We explore key theoretical frameworks such as Stakeholder Theory and Sustainable Development, alongside consumer behavior models like the A-B-C Model and the Communication Model. The book also examines CSR's relationship with social justice, environmental sustainability, and ethical practices, highlighting its significance in today's business landscape. Additionally, we touch upon legislative efforts and organizations promoting CSR, emphasizing its integral role in modern businesses.