What does the cube on the left of a thread mean?

[Joseph Wong]

I see alot of solved cubes and scrambled cubes next to the forum title, what does this mean?

 

[moralsh]

Unscrambled: Read
Scrambled: unread

 

[cubecraze1]

xD I never knew that, thanks. Lol been on the forums for a while, still haven't figured out a simple fact like that. . .