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Explore Wikipedia's contents

Wiki'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.

Overviews

An overview surveys what is covered in an area.

• Overview – outline that surveys key articles in Wikipedia, divided into 12 major branches
• List of academic disciplines – outline of knowledge divided by field of study
• Outlines – subject overviews as structured lists that identify the subjects' topics and show how they are related to each other.

Lists

Wiki 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

Alphabetical indexes

Alphabetical indexes are the exceptions to the topical section rule.

• Portal Contents/Indexes – Indexes of articles, by subject, alphabetized.
• 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

Outlines

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

• Outlines · Category:Outlines

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)
• 2024 – 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

Featured content

Featured content is the best Wikipedia has to offer, via vigorous peer review. Presented by type:

• Featured articles · Featured lists · Featured pictures · Featured portals · Featured sounds · Featured topics

Spoken articles

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

• Spoken articles · Category:Spoken articles

Wiki books

Wiki 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

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

Categorical indexes

Wiki'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

Wiki'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

Glossaries

Glossaries are lists of terms with definitions.

• Glossaries · Category:Glossaries