In Drupal 6, the CCK module is a contributed module; we have to download the CCK module from http://drupal.org/project/cck, and add it to the
sites/all/modules directory, and then go to the
ourwebsite.com/admin/build/modules page to install the module.
The good news is that most of the functionality of the CCK modules is available in Drupal 7 core, and now it is simply called Fields. From now on, we do not need to download a separate module to add fields to content types. We simply install Drupal 7 and the ability to create custom fields is enabled as part of it.
As a result of the name change, to avoid any confusion in the later chapters, we will call the CCK module or CCK Fields to the field module. For example, the instruction ...