coding... for example
^This will make your message bold like my text is right now. Obviously there is much much more to it than just that, just an example.
or like you can do links with...
<a href="http://www.imagine-nation.co.nr/">Imagine Nation</a>
and it will look like this
But there is much more to creating a page of HTML than just that. You have to do bodies, body size, tables, table size, headers, footers, colors, text, borders, etc etc etc. It gets very complicated.