6. The method of claim 1 , wherein a topic represented by a respective node of the plurality of nodes is presented as a label proximate to the respective node.
6. The method of claim 1 , wherein a topic represented by a respective node of the plurality of nodes is presented as a label proximate to the respective node. 7. The method of claim 6 , wherein causing the computer display to present the radial arrangement of the plurality of topics further includes: in response to interaction with the label presented near the respective node within the radial arrangement, updating the radial arrangement using the topic represented by the respective node as an updated main topic represented by the center node.