If that is indeed what you're talking about, here is a helpful little guide for you (I thought there was one already but I wouldn't even begin to know where it is. xD)
0-25 Posts: Newbie
26-50 Posts: Jr. Member
51-100 Posts: Sr. Member
101-250 Posts: Experienced Member
251-500 Posts: Dedicated Member
501-1,000 Posts: Full Member
1,001-1,500 Posts: Elder Member
1,501-2,500 Posts: Elite Member
2,501-5,000 Posts: Hero Member
5,001 and up: Legendary Member
Hope this helps! ^^