Clicking the “Summarize” tab, provided options for viewing Treatment of Disease, Substance Interactions, Diagnosis, and Pharmacogenomics (yeah, I had to look it up, too: genetic response, or individual reactions to bundled drug treatments…).
By clicking the “Summarize and Visualize” bar, I got this drawing,
which actually allowed me to move the colored boxes around (or to click on individual boxes) to understand the various relationships, medicines, and treatments for Asthma