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Use heading levels to build a clear document hierarchy.

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Basic Hierarchy

hierarchy.tex
\part{Part I}
\chapter{Introduction}
\section{Background}
\subsection{Motivation}
\subsubsection{Scope}
\paragraph{Note}

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Numbered vs Unnumbered Headings

numbered-unnumbered.tex
\section{Numbered Section}
\section*{Unnumbered Section}
\addcontentsline{toc}{section}{Unnumbered Section}

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Best Practices

  • Keep heading depth consistent across chapters.
  • Avoid skipping levels (for example chapter directly to subsubsection).
  • Use unnumbered headings only for front/back matter sections.