Colored groups, which meaning?

[Erhard Glueck]

I understand, the flagged postings are colored,
but the name of the group in the left frame?

Thanks for your explanations
Erhard

PS. belongs Windows Mail in VISTA

 

[Erhard Glueck]

I understand, the flagged postings are colored,
but the name of the group in the left frame?

Now, I see, the flagged postings are colored,
if flagged postings are marked as unread.
Erhard