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In Joomla! a Category is a collection of [[Article|Articles]]. In Joomla! versions up to and including {{JVer|1.5}}, is the middle level in the hierarchy Sections -> Categories -> Articles. For example, a website might have Sections called "Animals" and "Plants". Within the "Animals" Section, the website might have Categories such as "Birds" and "Mammals". Within the "Birds" Category, the website might have Articles such as "Parrots" and "Sparrows". In Joomla! versions {{JVer|1.6}} and up, Categories can contain other Categories. The example above could be created using an "Animal" category, the Categories "Birds" and "Mammals" that are in that category, and the "Parrots" and "Sparrows" Articles in the "Birds" category.
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Every part of Joomla! powered web site or any CMS type of web site needs a method to display and store its content logically. The usual method is by categories and subcategories. Joomla! allows for multiple ways to display and use content controlled by categorisation. Some of the content types which have categorisation are [[Article|articles]] (Main content of web pages), banners, contacts and web links.
  
Categories are maintained using the Category Manager ([[Help15:Screen.content.categories.15|help screen]]) which can be reached in the [[Administrator (Application)|Administrator (Back-end)]] by clicking on the Content menu, then the Category Manager menu item.
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Uncategorised is the default category assigned to any and all content types, it is the default category. The uncategorised category is not descriptive and should be used on a as needed basis for content types which do not fall under a specific category.  
  
'''See also''': [[Section]], [[Article]]<noinclude>[[Category:Glossary definitions|{{PAGENAME}}]]</noinclude>
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When creating and assigning categories, you should have a planned structure. As an example, this is one way of how you would categorise several Joomla [[Article|articles]] on birds. Create two article categories called "Animals" and "Plants". Under the "Animals" category, you might have sub categories called "Birds" and "Mammals". Under the "Birds" category, you might have 3 articles named "Hawks," "Parrots" and "Sparrows".
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The example above could be expanded even more with specific articles on different species of Hawks, Parrots and Sparrows. Start with using an "Animal" top Category. Placing the sub categories "Birds" and "Mammals" are under the Animal category, and then a "Hawks," "Parrots" and "Sparrows" sub category under the "Birds" Sub Category as shown.
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*Animals
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**Birds
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***Hawks
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***Parrots
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***Sparrows
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**Mammals
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Now you can create multiple articles in the Hawk, Parrot and Sparrow Categories using the different genus or common names of the specific types of these 3 birds.
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Categories are maintained using the Category Manager which can be reached in the Administrator (Back-end) interface by clicking on the Content menu type, then the Category Manager menu item for the type.
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'''See also''': [[Article]]<noinclude>[[Category:Glossary definitions|{{PAGENAME}}]]</noinclude></translate>

Revision as of 10:41, 25 February 2014

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Every part of Joomla! powered web site or any CMS type of web site needs a method to display and store its content logically. The usual method is by categories and subcategories. Joomla! allows for multiple ways to display and use content controlled by categorisation. Some of the content types which have categorisation are articles (Main content of web pages), banners, contacts and web links.

Uncategorised is the default category assigned to any and all content types, it is the default category. The uncategorised category is not descriptive and should be used on a as needed basis for content types which do not fall under a specific category.

When creating and assigning categories, you should have a planned structure. As an example, this is one way of how you would categorise several Joomla articles on birds. Create two article categories called "Animals" and "Plants". Under the "Animals" category, you might have sub categories called "Birds" and "Mammals". Under the "Birds" category, you might have 3 articles named "Hawks," "Parrots" and "Sparrows".

The example above could be expanded even more with specific articles on different species of Hawks, Parrots and Sparrows. Start with using an "Animal" top Category. Placing the sub categories "Birds" and "Mammals" are under the Animal category, and then a "Hawks," "Parrots" and "Sparrows" sub category under the "Birds" Sub Category as shown.

  • Animals
    • Birds
      • Hawks
      • Parrots
      • Sparrows
    • Mammals

Now you can create multiple articles in the Hawk, Parrot and Sparrow Categories using the different genus or common names of the specific types of these 3 birds.

Categories are maintained using the Category Manager which can be reached in the Administrator (Back-end) interface by clicking on the Content menu type, then the Category Manager menu item for the type.

See also: Article