.. _docs-concepts:

====================
Overviews & concepts
====================
.. grid:: 1

   .. grid-item-card:: :octicon:`info` Facades & Backends
      :link: docs-facades
      :link-type: ref
      :class-item: sales-pitch-cta-secondary

      A key concept in Pigweed's architecture. If you're using Pigweed
      modules extensively in complex ways or contributing to upstream Pigweed,
      you'll probably need to understand these ideas.

.. grid:: 2

   .. grid-item-card:: :octicon:`info` FAQs
      :link: docs-faq
      :link-type: ref
      :class-item: sales-pitch-cta-secondary

      Answers to general, frequently asked questions about Pigweed.

   .. grid-item-card:: :octicon:`info` Glossary
      :link: docs-glossary
      :link-type: ref
      :class-item: sales-pitch-cta-secondary

      Concise definitions of key Pigweed terms.

.. toctree::
   :maxdepth: 1
   :hidden:

   self
   ../overview
   ../mission
   ../facades
   ../size_optimizations
   ../../automated_analysis
   ../glossary
   FAQs <../faq>