Barron"s Business Dictionaries Barron"s Business Dictionaries are pocket-sized books that define several thousand specialized terms within their subject area. They are ideal fast-reference books for business students and business managers. Terms and definitions are supplemented with enlightening diagrams, charts, and line art. This newly updated edition defines more than 3,000 terms that relate to banking and banking practices, finance, and money management. The author gives attention to new and pending laws and regulations that distinguish between investment banking and commercial banking.