Default Post Types
There are five
post types that are readily available to users or internally used by the WordPress installation by default.
Post
Post in WordPress is a
post type that is typical for and most used by blogs.
Posts are normally displayed in a blog in reverse sequential order by time (newest posts first).
Posts are also used for creating the
feeds.
Page
Page in WordPress is like
post, but it lives outside the normal time-based listings of
posts.
Pages can use different
page templates to display them.
Pages can also be organized in a hierarchical structure, with
pages being parents to other
pages, but they normally cannot be assigned
categories and
tags. If
permalinks are enabled, the
permalink of a
page is always composed solely of the main site URL and the user-friendly and URL-valid names (also referred to as
slug) of the
page and its parents if they exist. See the
Pages article for more information about the differences.
Attachment
Attachment
is a special post that holds information about a file uploaded through
the WordPress media upload system, such as its description and name. For
images, this is also linked to metadata information, stored in the
wp_postmeta
table, about the size of the images, the thumbnails generated from the
images, the location of the image files, the HTML alt text, and even
information obtained from EXIF data embedded in the images.
Revision
Revision is used to hold a draft post as well as any past revisions of a published post.
Revisions are basically identical to the published post which they belong to, but have that post set as their parent using the
post_parent column of the
wp_posts table.
Navigation Menu
Navigation Menu
is a type that holds information about a single item in the WordPress
navigation menu system. These are the first examples of entries in the
wp_posts table to be used for something other than an otherwise displayable content on the blog.
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