Indirect election is best described as - WAEC Government 2018 Question

An indirect election is an election in which voters do not choose between candidates for an office, but elect people who then choose. It is one of the oldest forms of elections, and is still used today for many presidents, cabinets, upper houses, and supranational legislatures. Presidents and prime ministers can be indirectly elected by parliaments or by a special body convened solely for that purpose. The election of the executive government in most parliamentary systems is indirect: ''the citizens elect the parliamentarians, who then elect the government including most prominently the prime minister from among themselves''. 

An electoral college is a set of electors who are selected to elect a candidate to a particular office. Often these represent different organizations, political parties etc.