Document structure of a scientific book

1. Tree structure: Body, chapters, sections
2. Tree structure: Table of Contents
3. Non-branching tree structure: Footnotes
4. Linear (flat tree) structure: List of Figures
5. Linear (flat tree) structure: List of Tables
6. Linear (flat tree) structure: Bibliography
7. Linear (flat tree) structure: Glossary
8. Isomorphism: Table of Contents Body
9. Many-to-one: Body Bibliography
10. Many-to-one: Body Glossary
11. Many-to-one: Body Bibliography
12. One-to-one: Text Object Footnote
13. One-to-many: Index Text Object