This article is the second in our serialization of several chapters from the upcoming Drupal 7 Bible. In this installment in the series, we introduce the default Drupal content types and the related fields.
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As I mentioned earlier in this chapter, all content in Drupal is based on the Node module; this is why Drupal content items are often called nodes. A content item also must be of a specific type. Articles, blog posts, and pages are examples of Drupal content types. You define content types by associating one or more fields with a unique type name.
When you create a new piece of content in Drupal, the first thing you do is select the type of content to create and then fill out a Web form associated with that type (which is, by and large, the act of putting data into Drupal fields), and then you save it.