Numbering Systems

Numbering systems are used with outlines, tables of contents, and headings to display a document’s organization and allow readers easy access to parts of the document. The two basic numbering systems are the traditional outline system and the decimal system. See OUTLINES and TABLES OF CONTENTS.

Traditional System

Traditional outlines use the following numbering and lettering conventions:

Image

Decimal System

In the decimal system, successive dots or periods indicate levels of subordination:

Image

Note: The title “Decimal System” is a handy ...

Get FranklinCovey® Style Guide™: For Business and Technical Communication, Fifth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.