A "baron" is a title of nobility that historically refers to a member of the lower nobility in various European countries. Barons often held land and had certain privileges, but their power was generally less than that of higher-ranking nobles, such as dukes or earls. The title can be hereditary, passed down through generations, or granted by a monarch. In modern times, the term "baron" can also refer to influential figures in specific industries, such as a "media baron" or "oil baron." These individuals may not hold noble titles but are recognized for their significant wealth and power within their respective fields.