This is a page header. They appear above or before your page content.
In the admin, go to Pages -> (a page) -> Modules -> Page Headers to add or remove these.
The "Use as site-wide fallback" option allows you set page headers to show when none are available for that page. Convenient!
This is your homepage content.
Log in to the admin and click Pages, then Home to change this.
Your pages await you.
Fluttershy has been named Best Pony for the third year in a row.
PowWow has entered the building!
One small step for [a] man, one giant leap for mankind.