A feature in the Vista Parental Control that allows user to block access to a specific web site or specific types of web content.
Content-control software, also known as censorware or web filtering software, is a term for software designed and optimized for controlling what content is permitted to a reader, especially when it is used to restrict material delivered over the Web.
(Web filters) You can create Web filters, based on Internet Server API (ISAPI), for viewing, analyzing, blocking, redirecting, or modifying Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP) traffic.
play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a higher card in the hand of a partner who has the remaining cards of a combined holding
Remove an obstruction from (something, esp. a pipe or drain)
clear or remove an obstruction from; "the procedure unblocked his arteries"
make (assets) available; "release the holdings in the dictator's bank account"
unblocked
This is just spread out and stuck somewhat haphazardly onto my scratchy carpeting.
Better, blocked photo to follow soon...