There are several terms to concepts related to views: System a collection of components intended to provide a specific function or set of functions.
Architecture: the systems fundamental organization of components, their relationships to each other, and the principles guiding design and growth.
Architecture description: a collection of artifacts that document architecture.
Stakeholders: people or groups you have key roles and concerns in the system.
Concerns: the key interests of the stakeholders, which determine the acceptability of the system in the environment.
View: a representation of the whole system form the perspective of a set of concerns.
Viewpoint: the perspective from which a view constructed and used.