The Taxonomy module is included in core and is enabled by default when you install Drupal, along with a Tags vocabulary, which you can use to allow users to freely tag their content. In this lesson, we'll create a new vocabulary, populate it with the terms we need, and then add the vocabulary to our article content type.
Check your version
This video covers a topic in Drupal 7 which may or may not be the version you're using. We're keeping this tutorial online as a courtesy to users of Drupal 7, but we consider it archived.