Functional requirements of walls?

1. Provide structural support and stability to the building
2. Define the boundaries and layout of rooms within the building
3. Provide privacy and security by separating different areas of the building
4. Insulate against sound transmission to maintain a quiet environment
5. Insulate against temperature fluctuations to maintain a comfortable indoor climate
6. Provide a surface for hanging fixtures, decorations, and storage units
7. Support electrical wiring, plumbing, and other utilities within the building
8. Resist moisture and prevent water damage to the building
9. Provide fire resistance to contain and prevent the spread of fires within the building
10. Allow for the installation of doors, windows, and other openings for ventilation and natural light.