Architecting and designing : SysML : Package views
  
Package views
A Package represents a grouping mechanism that provides a namespace for contained model artifacts.
SysML allows for a Package diagram that is used to visually show the high-level structure of the architecture.
See
Package
Package Import relationship
Package Containment relationship
Package diagram
See also
Introduction to SysML and MBSE
Diagram views
Model Elements
Relationships
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SysML