1. Specialized knowledge and skills: Professions require a high level of specialized knowledge and skills that are acquired through education, training, and experience.
2. Ethical standards: Professions are guided by a code of ethics that outlines the expected behavior and standards of conduct for professionals in that field.
3. Professional autonomy: Professionals have a degree of autonomy in their work, allowing them to make independent decisions and judgments based on their expertise and experience.
4. Professional organizations: Professions often have professional organizations or associations that set standards, provide support and resources, and advocate for the interests of professionals in that field.