\item[Keyframes] keyframe options which are described in the Keyframe section (\ref{cha:keyframes}).
\item[Audio] audio related functions such as \textit{Add track}, \textit{Attach transition/effect}.
\item[Video] video functions such as \textit{Default/Attach transition}.
\item[Tracks] move or delete tracks are the most often used.
\item[Keyframes] keyframe options which are described in the Keyframe section (\ref{cha:keyframes}).
\item[Audio] audio related functions such as \textit{Add track}, \textit{Attach transition/effect}.
\item[Video] video functions such as \textit{Default/Attach transition}.
\item[Tracks] move or delete tracks are the most often used.