A full enterprise model is too dense to read all at once. A viewpoint is a saved lens — it narrows the model to just the object types that answer one stakeholder's question. Keystone EA™ ships with six, plus the all-inclusive master view.
Every viewpoint draws from the same underlying model. An application that appears in the Capability Map is the very same object you'll find in Technology Usage — so insight gathered through one lens stays consistent with every other. The master viewpoint simply removes the filter.
Each object type surfaces in a specific set of viewpoints. This matrix maps all nineteen object types against the seven views — hover a column to highlight a single viewpoint.