Entrepreneurship involves identifying opportunities, organizing resources, and taking on risks to start a business venture. An entrepreneur is someone who starts a business by taking on financial, time, and career risks. Key elements of entrepreneurship include the entrepreneur themselves, recognizing opportunities, acquiring resources, organizing the business, and operating within an environment. Entrepreneurs can be innovators who introduce new products/services, or imitators who copy existing ideas. Successful entrepreneurs generally have traits like passion, vision, optimism, flexibility, and a strong work ethic.