The Drupal has the natural ability by-design to let custom behavior and latest features to be inserted by third parties. On this basis, Drupal is sometimes explained in terms of "Content Management Framework". This is significant to highlight that although Drupal provides for developers an exclusive programming line, yet no programming aptitudes are required for fundamental website settings and administration.The Drupal can be installed

Core modules:

Core of Drupal comprises ‘modules.’ These can be facilitated by the administrator for expanding the utilities of the central website. The allocation of core Drupal gives a number of traits comprising: ‘Drupal core’ can be voluntary extended by contributions of any third party. In Drupal's preset configuration, content of website can be added by both registered and unknown users (at the judgment of the administrator). It can be made available to site visitors through a range of selectable standards by including category, date and searches etc. ‘Drupal core’ also comprises a taxonomy system which is hierarchical. This system allows data to be classified through key words for simple access.