| A | B |
|---|
| math/equivalents | solves basic math problems |
| phonebook | uses phone numbers to search for locations |
| spell checker | gives suggestions if the word keyed is spelled wrong |
| different language support | searches for words in different languages or translates from one language to another |
| boolean logic | uses operators to narrow search parameters |
| field | useful for drilling down and focusing (like a card catalog) |
| keyword | unique phrases or terms (search string) |
| subject directories | developed & maintained by humans |
| meta-search engine | duplications are eliminated |
| individual search engine | results are lists of web pages/titles |
| AND | boolean operator that narrows results by searching for pages that contain both keywords |
| OR | boolean operator that expands results by searching for pages that contain either of the keywords |
