Hierarchical sequential access method - English Wikipedia @ Freddythechick

Redirect to:

This page is a redirect. The following categories are used to track and monitor this redirect:

To a related topic: This is a redirect to an article about a similar topic.
- Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article. If this redirect's subject is notable, then also tag it with {{R with possibilities}} and {{R printworthy}}.

With possibilities: This is a redirect from a title that potentially could be expanded into a new article or other type of associated page such as a new template. The topic described by this title may be more detailed than is currently provided on the target page or in a section of that page.
- When the target page becomes too large, or for any reason a new page would be an improvement, this redirect may be replaced with an article, template or other project page that is carved out of the target page. See also {{R to section}} and use together with this rcat when appropriate.
- If the topic of the redirect is not susceptible to expansion, then use other rcats such as {{R to section}} or {{R to list entry}} when appropriate.
- Since a new page may be created, links to this redirect should not be replaced with a direct link to the target page. To make redirects to this page, use {{R avoided double redirect}}.
- {{R printworthy}} should be used together with this template when applied to a redirect in mainspace.
- When used on a template redirect, it will automatically populate Category:Template redirects with possibilities.

From other capitalisation: This is a redirect from a title with another method of capitalisation. It leads to the title in accordance with the Wikipedia naming conventions for capitalisation, or it leads to a title that is associated in some way with the conventional capitalisation of this redirect title. This may help writing, searching and international language issues.
- If this redirect is an incorrect capitalisation, then {{R from miscapitalisation}} should be used instead, and pages that use this link should be updated to link directly to the target. Miscapitalisations can be tagged in any namespace.
- Use this rcat to tag only mainspace redirects; when other capitalisations are in other namespaces, use {{R from modification}} instead.

When appropriate, protection levels are automatically sensed, described and categorized.