The Entity token module is part of the Drupal Entity Module package, it provides lots of new tokens to use everywhere that tokens are currently available. It does this by being aware of the structure of fields on entities and exposing extra options for fields that reference entities. For example, it allows you to use many more tokens about taxonomy terms added to content.
To see this in action we'll consider a simple example.
Say that we have articles about birds on our site, suppose further that each article is about a specific species of bird. We make the...