This section will describe how to add content, or what you may be used to referring to as web pages. First we need to define some terms that Drupal uses when it deals with web-based content. When we talk about web pages within the Drupal framework, we're going to be generally speaking of nodes. A node is the Drupal equivalent of a web page, containing text, images, and other content. So when you add a page to a Drupal site you're adding a node. Additionally, each node in Drupal gets an ID that corresponds to its location in the MySQL database. In Drupal a web page is not a flat file that sits on the web server. It's a node that populates a database as data. Attached files and images get uploaded to the web server and sit in file directories, but the web content in a node gets stored in the database.
When we add nodes to our site we add them using content types. Drupal content types are used to add content to a Drupal site. Generally your client...