Create additional paths for a given entity type and choose which view mode should be used for rendering. For instance, if you want to show the teaser of a node at a specific URL.
This is a very simple formatter for any Entity Reference field which allows you to render it as a link which opens the referenced entity in a jQuery UI modal (utilizing Drupal Core's libraries).
By enabling this module there will be a comment form for a taxonomy term. There are some steps to follow for enable commenting for a taxonomy term. Module Configuration