The graphic consists of five concentric rings:
1. The bubbles at the center show the main topics of the text corpus 2. the ring around represents the sequence of paragraphs by lenght 3. the next ring shows the main words used in the text 4. The outer ring shows citations.
You can click the + to move around the panels and the triangle to collapse them if needed. Please roll over the graphic to see more information. You can also zoom in to see more details.