As mentioned before, Explorer represents a statistical visualization of your first 6 pinned topics (or groups) by Explorer Theme Wheels. At the top of each theme wheel, you can find the name of the corresponding topic. The frequency of the topic can be found in the center of the wheel. The pieces of the wheel are the four most frequent related topics. If you hover over a piece you can see the frequency of the corresponding related topic inside the topic.
Here you can see the theme wheel regarding the topic “room” in hotel reviews. The topic has a frequency of 75.4% in the data and its most frequent related topics are “great”, “clean”, “comfortable”, and “staff” respectively. The frequency of “great” as an related topic of “room” is 39.8%. This means that almost 40% of the people who have mentioned room in their responses have found it great.