third estate n the third order or class in a country or society divided into estates, esp. for representation in a parliament; the commons, townsmen, or middle class English Collins Dictionary - English Definition & Thesaurus
DEFINITION of 'C-Suite'. A widely-used slang term used to collectively refer to a corporation's most important senior executives. C-Suite gets its name because top senior executives' titles tend to start with the letter C, for chief, as in chief executive officer, chief operating officer and chief information officer.
A corporate officer is a high-level management official of a corporation or an unincorporated business, hired by the board of directors of a corporation or the owner of a business, such as a president, vice president, secretary, financial officer or chief executive officer (CEO).orporate officers are the people with day-to-day responsibility for running the corporation, such as the chief executive, chief financial officer and treasurer.