Subtables

\usepackage{subfig}

and within
\begin{table}
\subfloat[caption1]
{
    \begin{tabular}
    \end{tabular}
}
\hspace{0.1cm}
\subfloat[caption2]
{
    \begin{tabular}
    \end{tabular}
}
\end{table}
.

Additionally, for resizing sub-tables,
\scalebox{0.7} {
    \begin{tabular}
    \end{tabular}
}
.

How to change the bullet in itemize environment

\begin{itemize}[label= xx ]

\end{itemize}

For no bullet, [label=]

Section without numbering

Use
\section*{section title}.