This is a large hearder

This is a smaller hearder

and

so

on...

This is a paragraph tag.

It seperates the text into paragraphs.

This text is bold.

This text is italicized.

This text is underlined.

Underlining text that's not a link is a bad idea.

Speaking of the links. check this one.

This is an ordered list:

1. First thing
2. Second thing
3. Third thing

This is an unordered list:

• First thing
• Second thing
• Third thing

Take a look at this image.