| A | B |
|---|
| AND | Boolean search operator that requires both search terms to be included in the search results. |
| Boolean operator equivalent | Symbols used to replace Boolean terms such as “+” for AND, “-“ for NOT. |
| Boolean search string | Search string using terms such as AND, OR, or NOT to refine search results. |
| Index | Massive searchable database used by search engines to organize Web page information. |
| Indexers | Programs used by search engines to organize can create searchable databases of Web page information. |
| Keyword | Words used to search a Web site. |
| Meta tag | Invisible HTML descriptions or keywords used by Web developers to descrive the content on their Web site; used by crawlers to index the content of the site. |
| NOT | Boolean operator that excludes specific words from search results. |
| OR | Boolean search operator that requires one or the other keywords to be included in the search results. |
| Search engine | Applications that comb the Internet, cataloging all the Web pages they find and storing the results in a searchable database. |
| Specialty search engine | Search engines targeted at helping users find results within a very specific category of content. |
| Suggested links | Links generated by a user’s browsing history that point to relevant Web sites. |
| Web directory | Manually compiled database of Web sites. |
