Open hearing for proposed amendments to Appendix A - Zoning of the Code of Ordinances of the City of Gainesville, Article III Use of Land or Premises, Section 3.1.07 High Density Multifamily Residential District Defined, Section 3.1.09 Central Area Defined, 3.1.10 Restricted Commercial District Defined, Section 3.1.11 General Commercial District Defined, Section 3.1.12 Outdoor Commercial District Defined, Section 3.5 Screening Walls and Fences.