Section 3. Authorization; alternative forms; variations

1. Any county is
  hereby authorized to adopt  one  of  the  alternative  forms  of  county
  government  provided  in  this  chapter in accordance with the procedure
  specified in article fourteen.
    2. Alternative forms of county government  provided  by  this  chapter
  shall  consist  of: The "county administrator form"; the "county manager
  form"; the "county director form"; and the "county president form".
    3. In connection with any alternative form  of  county  government,  a
  county  may  adopt one or more variations in structure, organization and
  distribution of functions authorized  by  this  chapter.  Any  and  each
  combination  of  provisions for the government of a county and the units
  of local government  therein  contained  which  is  authorized  by  this
  chapter  is hereby declared to be one of the alternative forms of county
  government provided by this chapter.