Most typical text formatting styles are probably quite familiar from desktop editing programs like Microsoft Office or OpenOffice, for example bold text, italic or text with colorful background.
Text writing area has drop-down menu with nicely crafted font sets, like:
Heading text for largest headers
Little bit smaller for subheading texts
This is ordinary text for large text blocks
Text with different look and feel for picture captions
Smaller font for any special notes within texts
Additionally to different font types, there are also
You may also use numbered lists, indented paragraphs, subscripts and superscripst, insert different characters, anchors and even tables.