17) Wildcard Character

Wildcard Character: Is a symbol that stand for not an specific character, and is mostly used to look for text, or documents, files, and directories.

16) Wiki

Wiki: It's a place where you can edit a number of interlinked web (Is a Web Site), where you can update the Web site, by using your own Web Browser.

15) Trademark

Trademark: It's like a logo, that has a name, or is a sentence etc, to make a product more famous, and highlight. Is like the signature of a company that represent the company or any kind of organization.

14) Shared bookmark

Shared bookmark: Is a form to share information. Is like Delicious is a bookmark that let everyone to share bookmark, and it's really easy to do it.

13) Search Engine

Search Engine: A program that search database of documents, or files fro information, by using the Internet. This search also look for the titles, or sentences, etc.

12) Related Search

Related Search: Allow the user to search for other searches with just 1 click. There's also a search on Google that you can use when you are looking for something fast.

11) Public Domain

Public Domain: Is a work that is not protected by Copyright for the owner. It may be that the Copyright expired, or that the creator just give permission to be available to the public.