I've thought about this many times, but have decided to hold off until the next reincarnation of the DaniWeb design. In the meantime, exploring all of the many vast features of the site is half the experience.
cscgal
The Queen of DaniWeb
19,420 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
It means that those particular votes haven't affected your reputation positively or negatively.
cscgal
The Queen of DaniWeb
19,420 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
Because either they are posts in the Community Center (where reputation isn't affected) or the people who gave you rep don't have any rep power themselves to affect your reputation.
cscgal
The Queen of DaniWeb
19,420 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
Is either their reputatio point is low and have no rep power or the thread is in the Commnunity Center which reputation does not affect your overall reputation.
jingda
Industrious Poster
4,698 posts since Mar 2011
Reputation Points: 182
Solved Threads: 142