This document discusses concepts and theories of entrepreneurship. It begins by noting there is no consistent definition of entrepreneurship. It then summarizes definitions and perspectives from various scholars, including Adam Smith who saw entrepreneurs organizing for commercial purposes, and Joseph Schumpeter who viewed entrepreneurs as triggering economic development through new combinations. The document also discusses characteristics commonly associated with entrepreneurs, such as a need for achievement, internal locus of control, and risk-taking tendency. In general, the document provides an overview of different views on defining and understanding the concept of entrepreneurship.