"The act of using legal authority to catch and take someone to a place where the person may be accused of a crime." (CD)
The graph displays the other subjects mentioned on the same pages as the subject "Criminal Procedure--Arrest". If the same subject occurs on a page with "Criminal Procedure--Arrest" more than once, it appears closer to "Criminal Procedure--Arrest" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.