This document discusses professionalism and provides definitions and examples. It defines professionalism as the competence or skill expected of a professional, as well as participating in an activity as a professional rather than an amateur. It lists five aspects of professionalism: appearance, communication, time management, self-preparation, and understanding others. Communication examples include social media use and email etiquette. Time management emphasizes punctuality. Self-preparation includes use of storage devices and preparation. The document was authored by Gumporn Suwannachim and Andreas Pergher and focuses on professionalism in Thailand.