Arterisk * is a special character to define bold and italic.
Backqoute ` is another special character. For example, it can be used to create internal or external links.
Double backquote `` enters the verbatim mode
There are some restriction for * and ``:
Slash (\) can be used to work around the second restriction: "**B**\ old" results in Bold.
A backslash itself can be shown by escaping it with itself: \\ -> \