Traditional Architecture of Karachi

The exceptional position, not only in Pakistan but in the world. The silence and the community life. Public architecture demonstrating a capacity to assimilate different faiths and styles in order to create new aesthetic qualities without any precedence. The metropolitan nature of the city, the amalgamation of cultures and beliefs resulting in spaces and buildings based on their needs and styles.
Influences from the world on the living culture of Karachi, come from all parts of the world. The misconceptions of trend or fashion being culture have caused a havoc in defining culture itself. Therefore, a brief understanding on the meaning of culture needs to be out forward, before setting foot in the field of researching the traditional architecture of any place.
Man evolved the form of shelter through the ages, starting from a cave to tent to mud houses to the present concrete jungle. The wants of man have developed through the years, which may have caused some to lose sense of what is 'needed'.
A variety of styles surrounds us in the city of lights, which one describes Karachi?
What is the traditional/ vernacular architecture of Karachi ?