A view organizes diagrams into logical groups to explain a particular aspect of the system. It is the abstraction of the system prepared is such a way as to give a perspective of a related set of concerns.
The purpose of using views as a business analyst is to allow the analyst to comprehend very difficult systems, and to organize the problem or solution domain around specific areas of expertise. The audience interested in every view may vary based on their roles and experience. A subject matter expert from the business will ask dissimilar questions and have dissimilar concerns than a developer or system architect. Views help present the information in an simply digestible manner.