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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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a 404 error occurs when the requested page cannot be found
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generic, for when a more specific message is not available.
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the design of products, devices, services, or environments for people with disabilities.
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executed at specific points throughout the WordPress core.
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Adds a capability to a role or specific user.
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Function to register custom stylesheets for WordPress’ TinyMCE visual editor.
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Registers a new image size. This means that WordPress will create a copy of the Featured Image (formerly known as post thumbnail) with the specified dimensions when you upload a new image.
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Add a top level menu page.
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A safe way of adding a named option/value pair to the options database table.
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add_rewrite_rule() allows you to specify additional rewrite rules for WordPress. It is most commonly used in conjunction with add_rewrite_tag() (which allows WordPress to recognize custom post/get var…
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part of the Settings API, which lets you insert your own custom section in an existing wp-admin settings page.
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Adds a submenu page in the Admin section of your WordPress website.
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Allows a theme or plugin to register support of a certain theme feature.
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Users with the ability to perform administrative tasks for a site or a network of sites.
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The Admin Bar (respectively Toolbar since WordPress 3.3) is the dark band at the top of each site. It is only visible for signed in users in order to quick-administer the site via quick-links.
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WordPress' flexible nature allows for almost every part of it to be easily changed. Creating a custom WordPress Admin Panel Theme is no different. There are essentially two ways of making a WordPress …
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Usually, plugin and theme authors need to provide access to a settings (options) screen so users can customize how the plugin or theme is used. The best way to present the user with such a screen is t…
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The admin UI (Administration/BackEnd User Interface) is what you know as "WordPress", when you're logged in. This tag summons all tasks, that alter/modify, add, remove things from the admin User Inter…
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media displayed on a site to alert visitors of products or services that may be of interest to them.