ENDescription
Latin phrase meaning "as needed" (i.e. "not scheduled"), usually abbreviated PRN.
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Pro Re Nata". If the same subject occurs on a page with "Pro Re Nata" more than once, it appears closer to "Pro Re Nata" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.