\starttext
\startstandardmakeup
\midaligned{How to make a document.}
\midaligned{by}
\midaligned{The Author}
\stopstandardmakeup
\completecontent
\chapter{Introduction}
... your text\index{indexentry} ...
\chapter{One Chapter}
\section[firstsection]{The first section}
... your text ...
\section{The second section}
\subsection{the first sub section}
... your text\index{another indexentry} ...
\subsection{the second sub section}
... your text ...
\section{The third section}
... your text ...
\chapter{Another Chapter}
... your text ...
\chapter[lastchapter]{The Last Chapter}
... your text ...
\completeindex
\stoptext