This document discusses the concepts of profession, professional, and professionalism. It defines a profession as an occupation requiring complex knowledge and skills gained through formal education or experience. Professions have specialized theoretical knowledge, institutional preparation, autonomy, and work directly with clients under ethical constraints. A professional is someone connected to a profession, such as a doctor, engineer, lawyer, or teacher. Professionalism involves behaving ethically and responsibly while fulfilling responsibilities with honesty, accountability, respect, and communication. Professional bodies regulate professions by establishing codes of conduct and dealing with complaints. They also provide support, publications, and networks for professionals. Licensing provides official permission to practice regulated professions like engineering, architecture, and medicine. Computer professionals need degrees,