Careers mean someone's path through life, or through a particular part of life, for example one's time in school or means a sequence of related jobs within a single industry or sector, such as "a career in medicine" or "a career in the building trade". A profession is a job at which someone works and for which they have had training and is what they do to get money or a living. Those where people often study for years to do their job are called "learned professions" and are typically called professionals.