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(latex.info)Sectioning

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Sectioning
==========

   Sectioning commands provide the means to structure your text into
units.

   * `\part'

   * `\chapter' (report and book class only)

   * `\section'

   * `\subsection'

   * `\subsubsection'

   * `\paragraph'

   * `\subparagraph'

   All sectioning commands take the same general form, i.e.,

   `\chapter[optional]{title}'

   In addition to providing the heading in the text, the mandatory
argument of the sectioning command can appear in two other places:

  1. The table of contents

  2. The running head at the top of the page

   You may not want the same thing to appear in these other two places
as appears in the text heading.  To handle this situation, the
sectioning commands have an `optional' argument that provides the text
for these other two purposes.

   All sectioning commands have `*'-forms that print a title, but do
not include a number and do not make an entry in the table of contents.

   `\appendix'

   The `\appendix' command changes the way sectional units are
numbered.  The `\appendix' command generates no text and does not
affect the numbering of parts.  The normal use of this command is
something like

     \chapter{The First Chapter}
     ...
     \appendix
     \chapter{The First Appendix}