Portal:Contents

Explore Wikipedia's contents 

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Wikipedia's contents can be explored on several complementary pages. Some contents pages are comprehensive by topic, while others are comprehensive by the type of page. The top-level contents pages are listed below.

 Topical contents pages 

The topical contents pages cover the full range of Wikipedia subjects.  They also organize the topics by type of page.
 General reference
 Culture and the arts
 Geography and places
 Health and fitness
 History and events
 Mathematics and logic
 Natural and physical sciences
 People and self
 Philosophy and thinking
 Religion and belief systems
 Society and social sciences
 Technology and applied sciences

 Type-oriented contents pages 
The type-oriented contents pages organize material with similar characteristics and formats, usually by topic.

 Featured content 
Featured content is the best Wikipedia has to offer, via vigorous peer review. Presented by type:
 Featured articlesFeatured lists Featured pictures Featured portals Featured sounds Featured topics

 Glossaries 
Glossaries are lists of terms with definitions.
Glossaries :Category:Glossaries

 Lists 

Wikipedia has thousands more topic lists; some even are lists of other lists.
 Lists – of related articles :Category:Lists

Two of the broadest list collections are:
 Lists of countries and territories and many lists by country
 Lists of people including by nationality and by occupation

 Outlines 
Outlines are subject overviews in structured lists that show how topics are related to each other.
 Outlines:Category:Outlines

 Overviews 
An overview surveys what is covered in an area.

 Overview – survey of key articles in Wikipedia, divided into 12 major topics
 List of academic disciplines – knowledge divided by field of study

 Portals 
A portal introduces the reader to a subject by presenting images, categories and excerpts of key articles. Portals also guide editing by providing to-do lists.

Portals:Category:Portals

 Spoken articles 
Growing collections of Wikipedia articles are available as spoken word recordings.
Spoken articles:Category:Spoken articles

 Timelines 
Timelines list articles chronologically.  The top-level timelines and timeline sets are:
List of timelines – historical timelines, arranged by subject. Find more in :Category:Timelines
List of centuries – (e.g., 20th century)
List of decades – (e.g., 1910s)
List of historical anniversaries – (e.g., today)
 – major events this year
Portal:Current events – featured current events and related project activities
Recent deaths – lists notable people who died not long ago
:Category:Graphical timelines – graphical timelines in the category and subcategories, arranged alphabetically

 Wikipedia books 
Wikipedia books are collections of Wikipedia articles that can be viewed, downloaded, or printed into a book.
:Category:Wikipedia books (community books) – alphabetical list of the books
:Category:Wikipedia books – categorized by topic

 Alphabetical indexes 
Alphabetical indexes are the exceptions to the topical section rule.
Complete alphabetical index – pages sorted by the first two letters of the title, e.g., "Aa Ab Ac Ad..."
Special:Categories – every category listed alphabetically

 Categorical indexes 
Wikipedia's category system is generated from category tags at the bottom of articles and other pages.  The top-level pages are:
Categories – an index of major categories, arranged by subject (because this page is crafted by hand, it is an exception to the category autogeneration rule)
:Category:Articles – the category in which all article category systems are located
:Category:Categories – pages and categories which themselves specifically relate to categories
:Category:Contents – the highest level or "root" category in Wikipedia – its subcategories contain various types of encyclopedic content, content that assists with the navigation of the encyclopedia, as well as pages related to the maintenance of the encyclopedia – its autogenerated entries are listed at the bottom of the page
:Category:Fundamental categories – the category containing the most fundamental ontological categories, such that every article category system can reasonably be expected to be within it

Wikipedia's other broad categorical indices are:
List of Dewey Decimal classes – top two levels of this library classification system, linked to Wikipedia articles
Library of Congress Classification – LCC subjects linked to Wikipedia articles
Outline of Roget's Thesaurus – articles organised into a system based on six classes, with thousands of branches, following Roget's system