1. Introduction
  1.1 Background and significance
  1.2 Research objectives
2. Understanding high-rise residential buildings
  2.1 Definition and characteristics
  2.2 Benefits and challenges
  2.3 Urban density and vertical communities
3. Space optimization in high-rise buildings
  3.1 Efficient floor plans and layouts
  3.2 Vertical circulation and transportation systems
  3.3 Shared amenities and community spaces
4. Structural considerations and engineering solutions
  4.1 Load-bearing systems and materials
  4.2 Wind and seismic resistance
  4.3 Fire safety and evacuation strategies
5. Sustainable design practices for high-rise buildings
  5.1 Energy-efficient systems and technologies
  5.2 Water conservation and waste management
  5.3 Green spaces and biophilic design