People are like stained-glass windows.
They sparkle and shine when the sun is out,
but when the darkness sets in,
their true beauty is revealed only if there is a light from within.
-Elizabeth Kubler-Ross
You mean when you have a subsciption notification? What it's saying is that someone has made a comment on whatever it links to. Since the comments are sorted by date, it's the comment(s) at the bottom of the page that are new. So from there you can reply, PM, whatever. I hope this answers the question you were asking...
People are like stained-glass windows.
They sparkle and shine when the sun is out,
but when the darkness sets in,
their true beauty is revealed only if there is a light from within.
-Elizabeth Kubler-Ross