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.
Use it for questions about the operations done from Drupal to initialize itself, not about Twitter Bootstrap.
The completely blank page resulting from an internal server error is called "White Screen of Death."
The Quiz module provides tools for authoring and administering quizzes through Drupal.
Use it for the Drupal API that provides a means for storing items into a processing queue.
Use it for questions about the file containing information about modules and themes.
Use it for the sitemap conforming to the sitemaps.org specification.
Use it for the suite of tools run from a command line interface to generate boilerplate code: Drupal Console.
Use it for questions about one of the modules used to create simple polls.
It stands for content delivery network or content distribution network and is a system of computers containing copies of data.
Use it for question about calling Drupal functions or methods from an external PHP script.
One of the core modules adds a toolbar of administration links shown on the top of the page.
Use it for questions about problems related to staging sites, development sites of a project.
Acquia offers a platform-as-a-service that provides everything needed to create, maintain, and optimize high-quality Drupal websites.
Use it for questions related to the Message, Message Notify, and Message Subscribe modules.
Use it for the modules that show an administrative page with helpful links, usually called dashboard.
The Mime Mail module gives Drupal core and other Drupal modules the ability to send HTML email messages.
Use it for questions about using Drupal for implementing a booking (or reservations) system, for example for an hotel, or restaurant reservations.
Use it for questions about Drupal coding standards and the tools to follow them.
Use it for the module that creates tabular reports or charts from SQL data: the Forena module.
Use it for the web server created by Microsoft. Please mention which version of IIS you're running in your question.
Cross-site request forgery, also known as a one-click attack or session riding, is a type of malicious exploit of a website.
The transliteration module provides one-way string transliteration (romanization) and cleans file names during upload.
Don't use it for generic questions about the secure protocol SSH.
PHP stream wrappers allow you to implement your own protocol handlers and streams for use with all the other filesystem functions.
Use it for questions about the Resource Description Framework.
The String Overrides module provides a quick and easy way to replace any translatable text on the site.
Version tags should be used only when strictly necessary, and not used just to report "I am using Drupal 5 in my site."
Strongarm gives site builders a way to override the default variable values that Drupal core and contributed modules ship with.
Use it for customer relationship management integration with Drupal.
Use it for questions about the Scald project and related modules.
This isn't the place to post support requests. For that, see https://www.drupal.org/project/issues/rng?categories=All.