The term BUS. DRIVERS? can be broken down into three crossword solutions: CEOS (4 letters), MGMT (4 letters), and MGRS (4 letters). CEOS stands for Chief Executive Officers, who are the highest-ranking executives in a company and are responsible for making major decisions that affect the entire organization. MGMT stands for Management, which is the process of overseeing and coordinating the activities of an organization or group of people. MGRS stands for Managers, who are responsible for overseeing the day-to-day operations of a business or organization. Bus drivers are responsible for safely transporting passengers from one place to another.