Roles are a way to group users in Drupal. They are used to assign permissions to a group of users, allowing them to access certain features or content. For example, a role might be assigned to a group of users that allows them to edit content, while another role might be assigned to a group of users that allows them to view content. Roles are an important part of Drupal's security system, as they allow administrators to control who can access what content or features.

In Drupal, roles are created and managed in the "People" section of the administrative interface. Administrators can create new roles, assign permissions to them, and assign users to them. Roles can also be assigned to content, allowing only users with the appropriate role to view or edit it. This is a powerful way to control access to content and features in Drupal.

Roles are an important part of Drupal's security system, as they allow administrators to control who can access what content or features. By assigning roles to users, administrators can ensure that only the right people have access to the right content or features. This is a powerful way to control access to content and features in Drupal.