Elected mayor (executive) + elected council (legislative). Mayor may appoint department heads, veto, etc. Used by >50% of GA cities.
Single elected body (5–9 members) holds both legislative and executive power. Mayor is ceremonial, rotated. Used in Atlanta, Augusta, Columbus.
Elected council (legislative) hires professional city manager (executive). Manager runs daily operations. Used in Savannah, Roswell, Athens.
Each balances accountability and administrative expertise differently.