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.
A challenge-response test used for determining human users is called CAPTCHA.
Use it for questions about theset of Drupal modules that helps you maintain your Drupal sites: Aegir.
Use it for questions about the free Mac or Windows based AMP made available from Acquia.
Use it for questions about the open standard for authorization called OAUTH.
The Quiz module provides tools for authoring and administering quizzes through Drupal.
The Hierarchical Select module provides a selection widget for used in forms to select items in a hierarchy.
Use it for questions on the collection of Amazon's cloud computing services, generally called AWS.
Use it for questions related to the Group module, not the Organic Groups module.
The completely blank page resulting from an internal server error is called "White Screen of Death."
CiviCRM helps organizations grow and sustain strong relationships over time.
Use it for questions on the simple, unobtrusive script used to overlay images on top of the current page: Lightbox.
Use it for questions on the intranet and team portal package based on Drupal: Open Atrium.
The Scheduler module allows nodes to be published and unpublished on specified dates.
Use it for questions about one of the modules used to create simple polls.
Use it for question on structured files that consist of a list of differences between one set of files and another.
Use it for questions about integrating Drupal with the services provided by Twitter.
Use it for questions about the file containing information about modules and themes.
Use it for the sitemap conforming to the sitemaps.org specification.
It stands for content delivery network or content distribution network and is a system of computers containing copies of data.
Use it for the Drupal API that provides a means for storing items into a processing queue.
Use it for questions about facilities for users to notify them of changes on a site.
Use it for questions about implementing the software design pattern that implements inversion of control.
Use it for the suite of tools run from a command line interface to generate boilerplate code: the Drupal Console.
Questions about Drupal coding standards, and the tools to follow them.
Use it for the macOS/Apache/MySQL/PHP technology stack.
for questions regarding problems related to staging sites. Staging sites are development sites of a project where developers make the final tests before pushing changs to production.
Use it for the Drupal-centric platform that provides dedicated development tools, a version-control based workflow, and a production hosting service.