### 1. **Aspect** - Orientation of rooms for appropriate natural light and ventilation. - Example: Living rooms face east or south-east for morning sunlight. ### 2. **Prospect** - Placement of rooms to take advantage of scenic views or pleasant surroundings. - Example: Windows of living rooms or bedrooms overlooking gardens or open spaces. ### 3. **Orientation** - Alignment of the building with respect to climatic conditions to optimize energy efficiency. - Example: Avoiding direct west-facing windows in hot climates to minimize heat gain. ### 4. **Privacy** - Ensuring personal and family spaces are not directly visible from public areas. - Example: Strategic placement of windows, entryways, and boundary walls. ### 5. **Grouping** - Arranging rooms based on their function and proximity to related spaces. - Example: Kitchen near the dining area, bathrooms near bedrooms. ### 6. **Circulation** - Efficient and logical movement patterns within and around the building. - Example: Avoiding long corridors and ensuring ease of access between rooms. ### 7. **Roominess** - Effective use of space to make rooms appear spacious despite limited dimensions. - Example: Using open-plan layouts or multi-functional furniture. ### 8. **Economy** - Cost-effective use of resources, materials, and design while ensuring quality and durability. - Example: Modular construction techniques and local materials. ### 9. **Sanitation** - Proper facilities for water supply, drainage, and waste disposal. - Example: Ensuring the kitchen and bathrooms are close to the water supply and drainage systems. ### 10. **Flexibility** - Adapting spaces for multiple uses or future needs. - Example: Partition walls that can be removed or adjusted. ### 11. **Elegance** - Aesthetic appeal of the building's design, finishes, and landscaping. - Example: Harmonizing exterior colors, textures, and proportions. ### 12. **Sustainability** - Eco-friendly design practices that minimize the building’s environmental impact. - Example: Solar panels, rainwater harvesting, and energy-efficient systems. ### 13. **Safety** - Ensuring structural stability and incorporating fire safety, disaster resistance, and secure access. - Example: Fire exits, earthquake-resistant construction, and secure locking systems. ### 14. **Comfort** - Providing a pleasant living or working environment. - Example: Adequate thermal insulation, noise control, and ergonomic design. ### 15. **Light and Ventilation** - Maximizing the use of natural light and air circulation to create healthy interiors. - Example: Skylights, cross-ventilation, and large windows.