Restructured the documentation's index page and added some introductory sentences to each section.

First steps

===========

Are you new to Django or to programming? This is the place to start!

* **From scratch:**

  :doc:`Overview <intro/overview>` |

  :doc:`Installation <intro/install>`

The model layer

===============

Django provides an abstration layer (the "models") for structuring and

manipulating the data of your Web application. Learn more about it below:

* **Models:**

  :doc:`Model syntax <topics/db/models>` |

  :doc:`Field types <ref/models/fields>` |

  :doc:`Providing initial data <howto/initial-data>` |

  :doc:`Optimize database access <topics/db/optimization>`

The template layer

==================

* **For designers:**

  :doc:`Syntax overview <topics/templates>` |

  :doc:`Built-in tags and filters <ref/templates/builtins>`

* **For programmers:**

  :doc:`Template API <ref/templates/api>` |

  :doc:`Custom tags and filters <howto/custom-template-tags>`

The view layer

==============

Django offers the concept of "views" to encapsulate the logic reponsible for

processing a user's request and for returning the response. Find all you need

to know about views via the links below:

* **The basics:**

  :doc:`URLconfs <topics/http/urls>` |

  :doc:`View functions <topics/http/views>` |

  :doc:`Overview <topics/http/middleware>` |

  :doc:`Built-in middleware classes <ref/middleware>`

The template layer

==================

The template layer provides a designer-friendly syntax for rendering the

information to be presented to the user. Learn how this syntax can be used by

designers and how it can be extended by programmers:

* **For designers:**

  :doc:`Syntax overview <topics/templates>` |

  :doc:`Built-in tags and filters <ref/templates/builtins>` |

  :doc:`Web design helpers <ref/contrib/webdesign>` |

  :doc:`Humanization <ref/contrib/humanize>`

* **For programmers:**

  :doc:`Template API <ref/templates/api>` |

  :doc:`Custom tags and filters <howto/custom-template-tags>`

Forms

=====

Django provides a rich framework to facilitate the creation of forms and the

manipulation of form data.

* **The basics:**

  :doc:`Overview <topics/forms/index>` |

  :doc:`Form API <ref/forms/api>` |

The development process

=======================

Learn about the various components and tools to help you in the development and

testing of Django applications:

* **Settings:**

  :doc:`Overview <topics/settings>` |

  :doc:`Full list of settings <ref/settings>`

  :doc:`Handling static files <howto/static-files>` |

  :doc:`Tracking code errors by email <howto/error-reporting>`

Other batteries included

========================

The admin

=========

* :doc:`Admin site <ref/contrib/admin/index>` | :doc:`Admin actions <ref/contrib/admin/actions>` | :doc:`Admin documentation generator<ref/contrib/admin/admindocs>`

* :doc:`Authentication <topics/auth>`

* :doc:`Cache system <topics/cache>`

Find all you need to know about the automated admin interface, one of Django's

most popular features:

* :doc:`Admin site <ref/contrib/admin/index>`

* :doc:`Admin actions <ref/contrib/admin/actions>`

* :doc:`Admin documentation generator<ref/contrib/admin/admindocs>`

Security

========

Security is a topic of paramount importance in the development of Web

applications and Django provides multiple protection tools and mechanisms:

* :doc:`Security overview <topics/security>`

* :doc:`Clickjacking protection <ref/clickjacking>`

* :doc:`Comments <ref/contrib/comments/index>` | :doc:`Moderation <ref/contrib/comments/moderation>` | :doc:`Custom comments <ref/contrib/comments/custom>`

* :doc:`Conditional content processing <topics/conditional-view-processing>`

* :doc:`Content types and generic relations <ref/contrib/contenttypes>`

* :doc:`Cross Site Request Forgery protection <ref/contrib/csrf>`

* :doc:`Cryptographic signing <topics/signing>`

* :doc:`Databrowse <ref/contrib/databrowse>`

* :doc:`E-mail (sending) <topics/email>`

* :doc:`Flatpages <ref/contrib/flatpages>`

* :doc:`GeoDjango <ref/contrib/gis/index>`

* :doc:`Humanize <ref/contrib/humanize>`

Internationalization and localization

=====================================

Django offers a robust internationalization and localization framework to

assist you in the development of applications for multiple languages and world

regions:

* :doc:`Internationalization <topics/i18n/index>`

* :doc:`Jython support <howto/jython>`

* :doc:`"Local flavor" <ref/contrib/localflavor>`

Python compatibility

====================

Django aims to be compatible with multiple different flavors and versions of

Python:

* :doc:`Jython support <howto/jython>`

* :doc:`Python 3 compatibility <topics/python3>`

Geographic framework

====================

:doc:`GeoDjango <ref/contrib/gis/index>` intends to be a world-class geographic

Web framework. Its goal is to make it as easy as possible to build GIS Web

applications and harness the power of spatially enabled data.

Common Web application tools

============================

Django offers multiple tools commonly needed in the development of Web

applications:

* :doc:`Authentication <topics/auth>`

* :doc:`Caching <topics/cache>`

* :doc:`Logging <topics/logging>`

* :doc:`Messages <ref/contrib/messages>`

* :doc:`Sending e-mails <topics/email>`

* :doc:`Syndication feeds (RSS/Atom) <ref/contrib/syndication>`

* :doc:`Comments <ref/contrib/comments/index>`, :doc:`comment moderation <ref/contrib/comments/moderation>` and :doc:`custom comments <ref/contrib/comments/custom>`

* :doc:`Pagination <topics/pagination>`

* :doc:`Python 3 compatibility <topics/python3>`

* :doc:`Redirects <ref/contrib/redirects>`

* :doc:`Security <topics/security>`

* :doc:`Messages framework <ref/contrib/messages>`

* :doc:`Serialization <topics/serialization>`

* :doc:`Sessions <topics/http/sessions>`

* :doc:`Signals <topics/signals>`

* :doc:`Sitemaps <ref/contrib/sitemaps>`

* :doc:`Sites <ref/contrib/sites>`

* :doc:`Static Files <ref/contrib/staticfiles>`

* :doc:`Syndication feeds (RSS/Atom) <ref/contrib/syndication>`

* :doc:`Static files management <ref/contrib/staticfiles>`

* :doc:`Data validation <ref/validators>`

Other core functionalities

==========================

Learn about some other core functionalities of the Django framework:

* :doc:`Conditional content processing <topics/conditional-view-processing>`

* :doc:`Content types and generic relations <ref/contrib/contenttypes>`

* :doc:`Databrowse <ref/contrib/databrowse>`

* :doc:`Flatpages <ref/contrib/flatpages>`

* :doc:`Redirects <ref/contrib/redirects>`

* :doc:`Signals <topics/signals>`

* :doc:`The sites framework <ref/contrib/sites>`

* :doc:`Unicode in Django <ref/unicode>`

* :doc:`Web design helpers <ref/contrib/webdesign>`

* :doc:`Validators <ref/validators>`

The Django open-source project

==============================

Learn about the development process for the Django project itself and about how

you can contribute:

* **Community:**

  :doc:`How to get involved <internals/contributing/index>` |

  :doc:`The release process <internals/release-process>` |