For the purpose of this ordinance, the city is hereby divided into the following districts:
(A) SE, suburban estate residential;
(B) R-1A, single-family residential;
(C) R-1B, single-family residential;
(D) R-1C, single-family residential;
(E) RM, multiple-family residential;
(F) RM-1, low density multiple;
(G) HRM, high rise multiple-family residential;
(H) RMH, mobile home park;
(I) R-O, restricted office;
(J) C-1, local business;
(K) C-2, general business;
(L) C-3, highway-oriented business;
(M) C-4, planned shopping center;
(N) M-1, light industrial;
(O) M-2, general industrial; and
(P) P-1, vehicular parking.