Markdown is just a simpler syntax for the most commonly used HTML elements when writing body text.

A blank line, like above, marks a new paragraph (HTML <p>). A line starting with ## is an HTML <h2>:

Lists

An example of an unordered list:

• item one
• item two

And an ordered list:

1. item one
2. item two

More info

See CommonMark for more information about Markdown.