Chapter 2 - Typesetting Text
break a line: \\ or \newline
start a new line without starting a new paragraph \\*
\newpage
\linebreak[n], \nolinebreak[n], \pagebreak[n], \nopagebreak[n]
For the article class:
\section{}
\subsection{}
\subsubsection{}
\paragraph{}
\subparagraph{}
\part{}
\chapter{}
\tableofcontents{}
\footnote{footnote text}