ENDescription
Abbreviation for "folia", Latin for "leaves". Could also mean "pages" in a book.
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Fol.". If the same subject occurs on a page with "Fol." more than once, it appears closer to "Fol." on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.