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95 lines
2.9 KiB
Markdown
95 lines
2.9 KiB
Markdown
---
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aliases:
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- /indexes/overview/
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- /doc/indexes/
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- /extras/indexes
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lastmod: 2015-08-04
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date: 2013-07-01
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linktitle: Overview
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menu:
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main:
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identifier: taxonomy overview
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parent: taxonomy
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next: /taxonomies/usage
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prev: /templates/404
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title: Taxonomy Overview
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weight: 10
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---
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Hugo includes support for user-defined groupings of content called
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taxonomies.[^1] Taxonomies give us a way to classify our content so we can
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demonstrate relationships in a variety of logical ways.
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[^1]: Taxonomies were called *indexes* in Hugo prior to v0.11.
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The default taxonomies for Hugo are *tags* and *categories*. These
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taxonomies are common to many website systems (e.g. WordPress, Drupal,
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Jekyll). Unlike all of those systems, Hugo makes it trivial to customize
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the taxonomies you will be using for your site however you wish. Another
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good use for taxonomies is to group a set of posts into a series. Other
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common uses would include *categories*, *tags*, *groups*, *series* and many
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more.
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When taxonomies are used (and templates are provided), Hugo will
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automatically create pages listing all of the taxonomies, their terms
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and all of the content attached to those terms.
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## Definitions
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**Taxonomy:** A categorization that can be used to classify content
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**Term:** A key within that taxonomy
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**Value:** A piece of content assigned to that Term
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## Example
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For example, if I was writing about movies, I may want the following
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taxonomies:
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* Actors
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* Directors
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* Studios
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* Genre
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* Year
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* Awards
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I would then specify in each movie’s front-matter the specific terms for
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each of those taxonomies. Hugo would then automatically create pages for
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each Actor, Director, Studio, Genre, Year and Award listing all of the
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Movies that matched that specific Actor, Director, etc.
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### Taxonomy Organization
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Let’s use an example to demonstrate the different labels in action.
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From the perspective of the taxonomy, it could be visualized as:
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Actor <- Taxonomy
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Bruce Willis <- Term
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The Six Sense <- Content
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Unbreakable <- Content
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Moonrise Kingdom <- Content
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Samuel L. Jackson <- Term
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Unbreakable <- Content
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The Avengers <- Content
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xXx <- Content
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From the perspective of the content, it would appear differently, though
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the data and labels used are the same:
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Unbreakable <- Content
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Actors <- Taxonomy
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Bruce Willis <- Term
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Samuel L. Jackson <- Term
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Director <- Taxonomy
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M. Night Shyamalan <- Term
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...
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Moonrise Kingdom <- Content
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Actors <- Taxonomy
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Bruce Willis <- Term
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Bill Murray <- Term
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Director <- Taxonomy
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Wes Anderson <- Term
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...
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