Not sure what topic clusters are or how to implement them on your Drupal website? We'll give you information on how to get started dividing your site content into appropriate topics and how Drupal can handle the heavy lifting for you.
Which address would you rather read: "30.2746698,-97.7387235,935" or "Texas Capital Building 1100 Congress Ave, Austin, TX 78701"? Both get you to the same place, but one better describes what and where the place is. Find out how to make sure your URLs do something similar.