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Drupal 7 by David Mercer

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Chapter 2. Basic Functionality

Drupal is a modular system. Its functionality is held in modules that integrate into the main workflow at various points, altering the way other parts operate or even adding new features entirely. In order to build a fully functional website, we use modules that either come as part of the standard Drupal download (the core) or are provided by the various developers of the Drupal community.

The terms module and functionality, with respect to Drupal, are effectively synonymous from the point of view that modules provide functionality. Therefore, the discussion of Drupal functionality is really a discussion about modules.

Adding a new module is one thing, but presenting its functionality is also important and ...

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