Those are created with the "unnumbered list" tag, with "list item" tags for each bullet item.
The HTML I used to make that bullet list was
<UL><LI>This<LI>and<LI>this?</ul>And if you use the "ordered list" tag of <OL> instead of the UL one, you get a numbered list.
And if you want just a single bullet item, just make an unordered list of one item, such as this:
<UL><LI>This</ul>which looks like this: