There are different types of Drupal users. Some just need to be able to quickly change text, embed video, or update images. Other users may work in more of a developer aspect and have the responsibility of designing the structure of the site. Still others may just be concerned with user management.
The term node is a catch all term for any content form in use in a Drupal site. So this means that a Page is a node, so is a Story, and a Book page - and any other content type that might exist in Drupal.
Why is the term node used? There are actually a couple of really good reasons for this...
Yes, there are different ways to restrict content access, but it depends on what kind of restrictions you want to place and on whom you wish to place those restrictions.
Node Restriction
The most straightforward way of restricting content access to your audience is to unpublish a node.
Drupal 7 is still fairly new for us, so our documentation for it is still fairly scarce. Please stay tuned for regular additions here on this site in either of the following spots: