Unique 2-Deep Patterns
======================

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Pattern for a 2-deep content structure.

.. figure:: /img/NP-2-deep-1a.png
   :alt: Unique 2-deep patterns

-  The Collapsible List pattern is a space-efficient way of showing
   2-deep content. This pattern is useful for plasmoids and applications
   where the layout must be compact. A 
   :doc:`tree view </components/editing/tree>` can be used to implement 
   this pattern.
-  The Crossbar pattern arranges categories vertically and the content
   within the selected category horizontally. This pattern is often used
   for navigating video libraries.