View source for Information:FAQ/Categorization

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<noinclude>{{Information:FAQ/framework|shorttitle=Categorization|title=Categorization FAQ (for editors)}}</noinclude>

This page is addressed mainly to those editing BattleIntelligence. For information for readers, see [[Information:FAQ/Categories]].

For more detailed guidelines on creating and organizing categories, see [[Help:Category]]. More technical information can be found at [[BattleIntelligence:Categorization]].

== What are categories? ==
Categories allow articles to be placed in one or more groups, and allow those groups to be further categorized. An article belonging to a category should contain a link to a page that describes the category. Similarly, a sub-category belonging to a parent category should contain a link to the parent category's page.

Each category page contains an introduction that can be edited like an article, and an automatically generated list of links to sub-categories and articles that belong to the category.

Categories do not form a strict hierarchy or tree of categories, since each article can appear in more than one category, and each category can appear in more than one parent category. This allows multiple categorization schemes to co-exist.

== What is the purpose of categories? ==
See [[meta:Categorization requirements]] for the original purpose of the feature.

== What categories already exist? ==
The best way to find out what exists is to browse. Either start at [[:Category:Contents]] or if you just want to look at Articles [[:Category:Articles]], which shows the "top" level categories, to which all other categories should be connected. A list of all categories can be found at [[Special:Categories]] – there are many listed but you can use the search box. [[:Category:BattleIntelligence categories]] is the standard top-level category for all pages not apart of the aricle space, but orphan categories (categories without any parent categories) can exist.

== What is the difference between a list and a category? ==
Grouping articles into a category is not the same as making a list of articles. To edit a list of articles, you edit the list directly; but to place articles into a category, you edit an article and insert a category tag by placing <nowiki>[[Category:</nowiki><category name><nowiki>]]</nowiki> in the body of the text. This adds those articles as a list on the category's page.

While an article may be in multiple lists, the goal is that browsing downwards from a list parent category, e.g. [[:Category:Characters]], you should only arrive at articles that are about people, and not related articles. 

Further information on this topic can be found at [[BattleIntelligence:Categories, lists, and navigation templates]].

== Are "List of ..." articles still needed? ==
[[BattleIntelligence:Stand-alone lists|Lists]] are still useful for showing "missing" articles.

== What's the difference between categories and navigation templates? ==
Technical Readouts have a [[:Category:Technical Readouts and Recognition Guides|category]] and a [[Template:TRONavbox|navigation template]].

A [[BattleIntelligence:Navigational template|navigation template]] is a collection of links on a single topic, formatted in a standard way, in a box with a border. These links can be arranged in different ways within the box. The box is placed at the right or at the foot of the pages linked in it.

There are fewer navigation templates than categories. There is no requirement that a page be linked in a navigation template, whereas every page must belong to at least one category, and almost always more.

When appropriate, however, a navigation template organizes links in a far more useful way than categories do. It permits many nuances that categories can not, or can only clumsily. For the reader, a navigation template, if it exists, makes finding related articles much faster.

Templates are more complicated to create than categories, and the BattleIntelligencean wishing to create one may want to use an existing template as a model.

== Can pages be in more than one category? ==
Yes, it is expected that most pages will be members of one category or more. Similarly, each category can be a member of more than one parent category.

== What are "maintenance categories"? ==
Some categories exist to aid maintenance of the project, for example, [[BattleIntelligence:template|template]] categories and [[BattleIntelligence:redirect|redirect]] categories. Maintenance categories are often added by templates rather than links. Contributors monitor these maintenance categories for many reasons to cleanup articles. Maintenance categories are usually "hidden" from view and can be seen only by registered users who have set their preferences to see hidden categories, which is easy to do:

:# Go to {{myprefs|Appearance}}
:# Scroll down to '''{{MediaWiki:prefs-advancedrendering}}'''
:# Check the box '''{{MediaWiki:tog-showhiddencats}}'''
:# Click {{button|{{MediaWiki:saveprefs}}}}
:It is a good idea to [[BTW:PURGE|purge your browser cache]] to ensure that you can see hidden categories after setting your preferences.

Templates used to populate redirect categories are indexed functionally and alphanumerically at [[BattleIntelligence:Template index/Redirect pages]].

== What is the naming convention for categories? ==
Use the BattleIntelligence titling conventions of no unnecessary capital letters or abbreviations, i.e. use <nowiki>[[Category:Category examples]]</nowiki> instead of <nowiki>[[Category:Category E.g.]]</nowiki>.

If the category collects articles, then avoid the word ''List'' in the name of the category, and use plurals, e.g. [[:Category:Outworlds Alliance Characters]].

However, if the category collects ''lists'', then using the word ''Lists'' in the name of the category is appropriate, e.g. [[:Category:Product-related lists]].

Use the topic name without indicating structure, e.g. <nowiki>[[Category:Lyran Commonwealth Militia Commands]]</nowiki> instead of <nowiki>[[Category:Nations - Lyran - Military Commands - Militia]]</nowiki>.

For more on this, see [[BattleIntelligence:Naming conventions (categories)]].

== How do I add an article to a category? ==
Edit the article and add [[Category:''Category name''<nowiki>]]</nowiki> at the bottom of the article.
For example: [[Category:Federated Suns Regions<nowiki>]]</nowiki>.

== How do I reference (link to) a category on a page without categorizing the page? ==
To link to the category page, put a colon before the word "category", inside the link, e.g.<br /> <nowiki>[[:</nowiki>''Category:Federated Suns Regions''<nowiki>]]</nowiki>, which will appear as [[:Category:Federated Suns Regions]].

== Where should the category tag go in the article? ==
Category tags should be placed at the bottom of the article, after the appendices (e.g. References and External links). This ensures that when an editor presses "edit", the editor is immediately presented with the main article text, rather than the more esoteric category tags. It also ensures that the category tags are in a consistent place so they are easy to find.

== In what order should categories be listed within the article? ==
Both the alphabet and importance are used to order categories currently. Although this, like most ordering issues in BattleIntelligence, is a matter for judgment, it is generally clear that some categories – for example the birthplace or birth year of a person – are less important than others, such as their status as an Oscar or Nobel Prize winner. 

See also [[BattleIntelligence:Overcategorization]].

== How do I sort the article differently on the category page? ==
Use a {{tl|DEFAULTSORT}} tag, which looks like <nowiki>{{DEFAULTSORT:Smith, John}}</nowiki>. All categories will then sort under "Smith" unless a [[BTW:SORTKEY|sorting key]] is used for them (see below).

For individual categories, use a [[BTW:SORTKEY|sorting key]]. For example, an article categorized by <code><nowiki>[[Category:Proper category|Sorting key]]</nowiki></code> would appear under S within the category.

== Somebody changed my categorization – what do I do? ==
All contributions to BattleIntelligence may be "edited mercilessly". If the change was not explained in the article history or [[BattleIntelligence:talk page|talk page]], try leaving a question on the relevant user's talk page. Remember to follow the [[BTW:BRD|bold, revert, discuss]] procedure.

== What should I do if I see an article without any categories? ==
Try to categorize it yourself. If you are unable to, add the <code>{{tl|Uncategorized}}</code> template to the article, which will place a notice that the article needs categorizing, and automatically add it to the list at [[:Category:Uncategorized pages]].

== I am interested in a category – where can I get involved? ==
If there is one, you can join the [[BattleIntelligence:WikiProject|WikiProject]] involved.

== I want to change the relationships of some categories – will anyone mind? ==
If you want to restructure some existing categories, it is best to discuss your plans with others working in the same areas, or at least to announce your intentions.

== How do I create a category? ==
A category page should contain a brief description of the purpose of the category. A prominent link to the most important article in the category is usually a good idea, but please avoid copying large quantities of text or images from an article to a category page. 

{{anchor|cat main}}In many cases, a category has a "main article", which describes the subject of that category. The category and the article often have the same name. In such case, do this:
* Add the <nowiki>"{{cat main}}"</nowiki> tag in the category.
* Arrange for the article to appear at the ''top'' of the list of articles in the category, by putting a vertical bar and a space after the category name in the Category: tag (e.g. <nowiki>[[Category:<category name>| ]]</nowiki>).

If the subject has count, then make the category name plural and create a redirect of that same, plural name, redirecting back to the singular name. For instance [[Technical Readouts]]. That is, create a page called "Technical Readouts" and add the line

 <nowiki>#REDIRECT [[Technical Readout]]</nowiki>

In theory, if a main article is categorized correctly in its corresponding category, the use of the cat main template is redundant.

== Do categories need parents? ==
Yes. If you are creating a new category, look for a suitable "parent" category (or several) to assign it to. A good place to look is in articles on related subjects. If you do not have a parent category, then your category cannot be browsed to via other categories.

== Can categories be renamed, moved, or redirected? ==
Yes, "renaming" can be done.
Redirects in the form <nowiki>#REDIRECT [[Category:New name]]</nowiki> are not recommended in category space. Instead, use the template {{tl|Category redirect}}. Any editor can add a category redirect although, in general, established categories should not be unilaterally redirected but should be taken to [[BattleIntelligence:Consensus|Consensus]] to suggest redirecting as part of a rename / merger of the category.

Categories can be moved. The old page will have {{[[Template:Category redirect|Category redirect]]|New name}} instead of <nowiki>#REDIRECT [[:Category:New name]]</nowiki>.

== How do I delete a category? ==
If you feel a category falls within [[BattleIntelligence:Deletion policy]].

== Why might a category list not be up to date? ==

Sometimes, pages are not placed in categories manually by BattleIntelligence editors, but by means of [[BattleIntelligence:Templates|templates]], which can be used to place identical information (including category membership information) on many different pages at once. When the information on such a template is edited, the pages containing that template are updated, but not necessarily updated immediately. This means that pages might not always appear in the most current categories. However, this problem usually affects project maintenance categories rather than the categories used for browsing.

Various other delays sometimes mean that lists of category members or subcategories, or the page counts given, are not completely up to date. So if you are editing BattleIntelligence and find that your page hasn't yet shown up in a category or hasn't yet been removed from an old category, don't panic! The problem may resolve itself within minutes, but sometimes it may take longer, in some cases days, even months. (It may help if you [[BattleIntelligence:purge|purge]] the page.)


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