An index in which entries are arranged under headings and subheadings indicating hierarchical divisions and subdivisions within classes based on the subject matter indexed, rather than in alphabetical [..]

This type of indexes deals with the grouping or arrangement of entries under headings and subheadings specifying a hierarchy of divisions and subdivisions based on subject matter.

Relationships Broader Term:  index Synonym:  analytical index n. ~ A list of headings, organized into groups based on similar characteristics rather than in alphabetical order, that points to informat [..]