An area of expertise is a particular job or skill that someone has specialized knowledge in. A LINE is a specific job, such as a doctor or lawyer. A FIELD is a broader area of work, such as medicine or law. A NICHE is a more specific area within a FIELD, such as pediatric medicine or criminal law. A METIER is a French term for an occupation or profession. A SPHERE is a related area of work, such as healthcare or the legal system. A WHEELHOUSE is a term for an area of expertise, usually used in a figurative sense. TURF is another term for an area of expertise, usually used in a figurative sense. A FORTE is a French term for an area of expertise.