 % Project Gerben Wierda
% COntext file
% filename: project_teoada.tex

 %\setuppapersize[B5][B4,landscape]
 \setuppapersize[B5][B5]
 \setupindenting[small]
%  \setuplayout[location=doublesided]
 %\setuparranging[2SIDE]
 \setuppagenumbering[alternative=doublesided]
 %
\usemodule[lettri,bib]
\def\ChapterQuote{}
\def\ClearChapterQuote{\def\ChapterQuote{}}
\ClearChapterQuote
 \newcommand{\ChQuoteFormat}[1]{%\starttext%
         %\raggedright%
         \startalignment[left]%
         \startnarrower[4*left] \noindent{\em #1}%
         \stopnarrower\stopalignment
		 %\stoptext
		 \blank}
 \setuphead[chapter]
         [page=left,
         before={\ChQuoteFormat{\ChapterQuote}\noheaderandfooterlines%
                \strut\blank[2*big]}, % \page[right]
         after={\ClearChapterQuote\blank[3*big]%
                 \noheaderandfooterlines}]

\startproject project_teoada

	\product prd_book

\nomorefiles
\stopproject

In a second file:

Project Gerben Wierda
COntext file
filename: prd_book.tex

\startproduct prd_book
\project project_teoada

\starttext
\start
\startstandardmakeup \ss
\hairline \start
\switchtobodyfont[20pt]\bf
\leftaligned{TEOADA}%
\stop \hairline \blank[line]\rightaligned{Gerben Wierda}%
\blank[10cm]\start\leftskip=10cm\hairline\stop
\rightaligned{2005}%
\stopstandardmakeup
\stop

\startfrontmatter
        \completecontent[level=section]
		\page
       \component c_guide
\stopfrontmatter
\startbodymatter
\ChapterQuote{Here comes a chapter quote}
\chapter{the first Chapter}

	\section{All components listed}
	\startitemize[n]
			\item \type{\component c_ch1}
			\item \type{\component c_ch2}
			\item \type{\component c_ch3}
	\stopitemize
\stopbodymatter
\startappendices
	\chapter{Appendix-chapter}
	\section{The appendix component}
	\startitemize[n]
			\item \type{\component c_app1}
	\stopitemize
\stopappendices

\stoptext

\stopproduct

