The City of Mount Pleasant is divided into the following districts or classifications:
(A) FD - Future Development District;
(B) SF-1 - Single-Family Residential District;
(C) SF-2 - Single-Family Residential District;
(D) TF - Two-Family Residential District;
(E) MF - Multi-Family Residential District;
(F) MH - Mobile Home District;
(G) NS - Neighborhood Service District;
(H) GR - General Retail District;
(I) CB - Central Business District;
(J) C - Commercial District;
(K) LI - Light Industrial District;
(L) HI - Heavy Industrial District;
(M) PD - Planned Development District;
(N) FP - Flood Plan District.
(`87 Code, Zoning Ordinance, Art. I, § 4)