Professions are specific types of work that individuals engage in to earn a living. Each profession typically requires specialized skills, education, or training. Examples of professions include doctors, teachers, and engineers. People choose professions based on their interests, abilities, and the demand for certain jobs in the market. Professions can be categorized into various fields, such as healthcare, education, and technology. Each field has its own set of requirements and responsibilities. For instance, a doctor must complete medical school and residency, while a teacher usually needs a degree in education and teaching certification.