| A | B |
| Google | an example of a search engine |
| spider | software that a search engine uses to roam the web and collect websites |
| web directory | selected and compiled by people |
| indes | an organized collection of websites |
| invisible web | search engines cannot search this part of the Internet |
| metasearch | searches many other search engines at the same time |
| About.com | an example of a subject direcotry |
| completeplanet.com | a search tool for the Deep Web |
| Boolean Operators | words or symbols to help you search better |