diff --git a/core/cd/summary/code/ocaml/00_basics.ml b/core/cd/summary/code/ocaml/00_basics.ml
new file mode 100644
index 0000000..63e2844
--- /dev/null
+++ b/core/cd/summary/code/ocaml/00_basics.ml
@@ -0,0 +1 @@
+let a_function (a : int) (b : int) : int = a * b
diff --git a/core/cd/summary/main.pdf b/core/cd/summary/main.pdf
new file mode 100644
index 0000000..a319e29
Binary files /dev/null and b/core/cd/summary/main.pdf differ
diff --git a/core/cd/summary/main.tex b/core/cd/summary/main.tex
index 01a7b7b..336b052 100644
--- a/core/cd/summary/main.tex
+++ b/core/cd/summary/main.tex
@@ -38,8 +38,11 @@
 \newpage
 \printtoc{Aquamarine}
 
+\section{Introduction}
+This summary is still a very early version and structure and content will still change and errors will be fixed.
 
-
+\newpage
+\input{parts/main.tex}
 
 
 \end{document}
diff --git a/core/cd/summary/parts/main.tex b/core/cd/summary/parts/main.tex
new file mode 100644
index 0000000..3ec39c9
--- /dev/null
+++ b/core/cd/summary/parts/main.tex
@@ -0,0 +1,12 @@
+\section{OCAML}
+\input{parts/ocaml/main.tex}
+
+\section{x86Lite}
+
+\section{LLVM}
+
+\section{Parsing}
+
+\section{Lexing}
+
+\section{Optimizations}
diff --git a/core/cd/summary/parts/ocaml/00_basics.tex b/core/cd/summary/parts/ocaml/00_basics.tex
new file mode 100644
index 0000000..6f6fdfc
--- /dev/null
+++ b/core/cd/summary/parts/ocaml/00_basics.tex
@@ -0,0 +1,4 @@
+OCAML is a compiled, functional programming language and a descendant of the Meta Language programming language.
+In contrast to other functional programming languages (such as Haskell), it is actually used in the wild by more than two people.
+
+\inputcodewithfilename{ocaml}{}{code/ocaml/00_basics.ml}
diff --git a/core/cd/summary/parts/ocaml/main.tex b/core/cd/summary/parts/ocaml/main.tex
new file mode 100644
index 0000000..05df452
--- /dev/null
+++ b/core/cd/summary/parts/ocaml/main.tex
@@ -0,0 +1,2 @@
+\subsection{The basics}
+\input{parts/ocaml/00_basics.tex}