Final answer:
The Collective Area in the Dessau Bauhaus building was not used as common housing for all students; instead, it was a place for teaching, performance, and social encounters.
Step-by-step explanation:
According to the Dessau Bauhaus video, the Collective Area in the Dessau Bauhaus building serves multiple functions; however, it does not serve as common housing for all students. The Collective Area was designed to be a place where teachers and students could meet, a location for performance, leisure, and encounters, and was characterized by the alternation of glass and concrete to suggest openness and transparency rather than being a private and protected area. The Bauhaus was a school renowned for its functional design approach and influence on modern architecture and design, but providing student housing within the Collective Area was not among its functions.