"The act of officially choosing someone for a job, or the job itself." (CD)
The graph displays the other subjects mentioned on the same pages as the subject "Appointment to office". If the same subject occurs on a page with "Appointment to office" more than once, it appears closer to "Appointment to office" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.