Added section about document classes

lbol.tex

@@ -219,6 +219,37 @@ Notice that we have the option \texttt{[Books]} which describes how this chapter
 
 For best results, stick to the hierarchical structure shown above, as this is also how each section will be numbered. See the table of contents of this zine as an example.
 
+\section{Document Classes}
+
+The different types of document classes help you build a specific type of document. Here is a brief description of the most common classes:
+
+\bigskip
+
+% Provide some additional spacing in this table; may move this to preamble later
+\setlength{\tabcolsep}{14pt}
+\renewcommand{\arraystretch}{1.4}
+
+\noindent{}\begin{tabular}{| m{12mm} | m{80mm} |}
+\hline
+	\textbf{Class} & \textbf{Usage} \\
+\hline
+	\textbf{article} & Articles for scientific or mathematical journals, short reports, and any kind of short document which does not require separate chapters or parts. \\
+\hline
+	\textbf{report} & A long article form that contains chapters. It is often used for small books and theses. \\
+\hline
+	\textbf{book} & Used to typeset actual books. It can contain chapters and parts, left and right pages, frontmatter, etc. \\
+\hline
+	\textbf{beamer} & Slide decks (It has supplanted the \texttt{slides} class.) \\
+\hline
+	\textbf{letter} & For writing letters \\
+\hline
+	\textbf{exam} & Exams and quizzes \\
+\hline
+	\textbf{proc} & For writing meeting proceedings \\
+\hline
+\end{tabular}
+
+\bigskip
 
 \section{Paragraphs and White Space}