+\subsection{Create Phantom...}\index{Create phantom dialog}
+This command brings up a dialog box showing the phantoms that are pre-programmed
+into \ctsim. After selecting one of these phantoms, the new window with that
+phantom will be generated. The pre-programmed phantoms are:
+
+\begin{description}\itemsep=0pt
+\item[Herman] The Herman head phantom\cite{HERMAN80}
+ \item[Shepp-Logan] The head phantom of Shepp \& Logan\cite{SHEPP74}
+\item[Unit pulse] A phantom that has a value of \texttt{1} for the
+center of the phantom and \texttt{0} everywhere else.
+\end{description}
+
+\subsection{Create Filter...}\index{Create filter dialog}
+This command brings up a dialog box showing the pre-programmed filters
+of \ctsim. This command will create a 2-dimensional image of the selected filter.
+The center of the filter is at the center of the image.
+
+These filters can be created in their natural frequency domain or in their spatial domain.
+
+
+\subsection{Preferences...}\index{Preferences}