\documentclass{report}


\begin{LARGE}

Start of Text.\hspace{1cm}more text.\hspace{-1cm}over write.


This is a new paragraph.
A newline caracter does NOT change line.\\
But after a '$\backslash\backslash$', it does.
\newline
But it may giver you a 'there is no line here to end'...


This is ~ one tilde worth of horisontal space.

New paragraph.
\vspace{2cm}


Change par indent:
$\backslash$setlength\{$\backslash$parindent\}\{0cm\}

May be put in preamble.
\setlength{\parindent}{0cm}

\vspace{2cm}

New paragraph.
\vspace{-1cm}
After 1cm negative vertical space.


\vspace{1cm}
Let's try again.

Another paragraph.

On a newline

\vspace{-\baselineskip}
%%Color from the xcolor package.
\textcolor{red}{height of one line above}


\vspace{4\baselineskip}
Four lines down
\end{LARGE}

