A large model cannot readily fit on a single piece of paper. There are two approaches for dealing with large models:

One giant diagram. Developers can present the model as a giant diagram. The diagram is printed on large paper or portions of the diagram are printed on regular paper and taped together.

Division into lesser diagrams. Alternatively, developers can spread a model across multiple diagrams. Each diagram shows part of the model, while an overview diagram ties it all together.

UML packages support the second approach.

9.1 Package

A package is a group of elements (classes, associations, generalizations, and lesser packages) with a common theme. The corresponding IE term is subject area. Packages add little meaning to ...

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