The person typing the “^” in the comment is referencing the comment above it.
^ refers to the comment above your own. It’s pointing upward.
While we’re at it, let me teach you more internet lingo:
LOL = laugh out loud 
Oh, thanks SRF and FT.
Admittedly, I learnt many new English words/phrases while hanging around AF :). And it’s funny that when reading posts by some people here, the frequency that I look up the dictionary is higher than usual 
whoa wait. There are rewards on this site?
Click on AF Rewards on top of the page.
my n***a. Keep on preaching straight CFA troof!
^You might have to explain “my n***a” and “straight troof” to Lake House.
Lake House is a Black Greenlander.
The only one of his kind.
She’s a chick.
^ Most “she’s” are.
Ultimately, It is the quality not quantity of the post that matters . 5100 points are ok .
LOL, coming from you. Now please follow your own advice.
Good point.
I’ll strive to write at least one quality post a year. Or a month.
Doesn’t have HCB properly defined, seems legit.
^ It’s a matter of time before it makes it to the site.