The meaning of thread icons?

[Nothing Special]

I couldn't find out what most of these thread icons mean.

http://home.mindspring.com/~chhom/thread_icons.png

I know A represents announcements. I'm sure D and F are hot topics. What do the little tick marks on B and C mean? What does the black dot mean on B, D, and E? And why can't I find an explanation on these thread icons? (I know it's not important to know what they mean, but hey, I'm curious. :) )

[NightWish]

As it says at the bottom of the thread-view page:
http://forums.animesuki.com/images/statusicon/thread_new.gif - New posts
http://forums.animesuki.com/images/statusicon/thread_hot_new.gif - More than 15 replies or 150 views (+ New Posts)
http://forums.animesuki.com/images/statusicon/thread.gif - No new posts
http://forums.animesuki.com/images/statusicon/thread_hot.gif - More than 15 replies or 150 views
http://forums.animesuki.com/images/statusicon/thread_lock.gif - Thread is closed
http://forums.animesuki.com/images/statusicon/thread_dot.gif - You have posted in this thread

So the ones with the little marks (B, C) are "More than 15 replies or 150 views (but no new posts)". The dot in B just means you've posted to the thread.

[Nothing Special]

As it says at the bottom of the thread-view page:

...

:eek: :eek: :eek:

:heh: