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diff --git a/manual/PRESENTATION_Intro.tex b/manual/PRESENTATION_Intro.tex
index ee82a7515..30565405b 100644
--- a/manual/PRESENTATION_Intro.tex
+++ b/manual/PRESENTATION_Intro.tex
@@ -214,6 +214,39 @@ as Qflow\footnote[frame]{\url{http://opencircuitdesign.com/qflow/}} for ASIC des
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\subsection{Program Components and Data Formats}
+
+\begin{frame}{\subsecname}
+	\begin{center}
+	\begin{tikzpicture}[scale=0.6, every node/.style={transform shape}]
+		\tikzstyle{process} = [draw, fill=green!10, rectangle, minimum height=3em, minimum width=10em, node distance=15em]
+		\tikzstyle{data} = [draw, fill=blue!10, ellipse, minimum height=3em, minimum width=7em, node distance=15em]
+		\node[process] (vlog) {Verilog Frontend};
+		\node[process, dashed, fill=green!5] (vhdl) [right of=vlog] {VHDL Frontend};
+		\node[process] (ilang) [right of=vhdl] {Other Frontends};
+		\node[data] (ast) [below of=vlog, node distance=5em, xshift=7.5em] {AST};
+		\node[process] (astfe) [below of=ast, node distance=5em] {AST Frontend};
+		\node[data] (rtlil) [below of=astfe, node distance=5em, xshift=7.5em] {RTLIL};
+		\node[process] (pass) [right of=rtlil, node distance=5em, xshift=7.5em] {Passes};
+		\node[process] (vlbe) [below of=rtlil, node distance=7em, xshift=-13em] {Verilog Backend};
+		\node[process] (ilangbe) [below of=rtlil, node distance=7em, xshift=0em] {ILANG Backend};
+		\node[process, fill=green!5] (otherbe) [below of=rtlil, node distance=7em, xshift=+13em] {Other Backends};
+
+		\draw[-latex] (vlog) -- (ast);
+		\draw[-latex] (vhdl) -- (ast);
+		\draw[-latex] (ast) -- (astfe);
+		\draw[-latex] (astfe) -- (rtlil);
+		\draw[-latex] (ilang) -- (rtlil);
+		\draw[latex-latex] (rtlil) -- (pass);
+		\draw[-latex] (rtlil) -- (vlbe);
+		\draw[-latex] (rtlil) -- (ilangbe);
+		\draw[-latex] (rtlil) -- (otherbe);
+	\end{tikzpicture}
+	\end{center}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 \subsection{Example Synthesis Script}
 
 \begin{frame}[t]{\subsecname}