The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"District." Includes a ward whenever wards are used as a subdivision for the election of members of the governing body.
"Governing body." A board of county commissioners, city council, borough council, incorporated town council, board of township commissioners or board of township supervisors, the governing council of any unit of government created and existing under Subpart E of Part III (relating to home rule and optional plan government) or the governing council of any similar general purpose unit of government created by statute.