| volume | The average monthly number of searches this keyword receives in one of Googles regional databases. |
| whois privacy | Whois Privacy is hiding the name and contact details of a web domain owner. Google considers Whois Privacy a way of having to hide something. For example, Private Blog Network owners might want to hide their names so that their networks wont be found. |
| copyright infringement | The unauthorized use of copyrighted material is known as copyright infringement. Be careful what content you take from the web, as it might result in legal consequences. A common issue is the use of images on Google. While they may seem free, theyre actually not! If you want images that are royalty free, go to Tools -> Usage Rights when searching on Google Images. |
| ms | Microsoft |
| trackback | Trackback helps bloggers keep track of who is linking to their articles. Can be seen as a way for bloggers to communicate between their web-blogs, a kind of link notification. |