gues, what does it mean. and how does it work

i have no idea? anybody know??????

Expungement
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Expungement is often equated to the sealing or destroying of legal records. Each state offers its own definition of expungement, based on different rules and laws. Generally, expungement can be viewed as the process to "remove from general review" the records pertaining to a case. But the records may not completely "disappear" and may still be available to law enforcement. The term Deletion may have the following specialized meanings

http://search.yahoo.com/search?p=expungement&ei=utf-8&fr=b1ie7