The description of the User module and the introductory paragraph for the next set of core modules are formatted as a single bulleted paragraph, and the list of modules that follow (from Aggregator onward) are indented an extra level, giving the false impression that they're subsidiary to the User module.
Correction or clarification:
Split the description of the User module after the first sentence and correct the indentation, as follows:
User - manages the user recommendation and login system.
Drupal provides still more modules in core that are not enabled by default in the Standard installation profile. You may consider enabling the following modules according to your site's functional requirements:
Aggregator - allows you to import RSS feeds into your Drupal site (...)