SEO
Definition
Search engine
A search engine is a program designed to help find files stored on a computer, for example a public server on the World Wide Web, or one's own computer. The search engine allows one to ask for media content meeting specific criteria (typically those containing a given word or phrase) and retrieving a list of files that match those criteria. A search engine often uses a previously made, and regularly updated index to look for files after the user has entered search criteria.
In the context of the Internet, search engines usually refer to the World Wide Web and not other protocols or areas. Furthermore search engines mine data available in newsgroups, large databases, or open directories like DMOZ.org. Because the data collection is automated, they are distinguished from Web directories, which are maintained by people.
The vast majority of search engines are run by private companies using proprietary algorithms and closed databases, the most popular currently being Google (with MSN Search and Yahoo! closely behind). --http://en.wikipedia.org/wiki/Search_engine [Apr 2005]
Search engine optimization (SEO)
Search Engine Optimization is a set of methods aimed at improving the ranking of a website in search engine listings. The term also refers to an industry of consultants that carry out optimization projects on behalf of clients' sites. SEO, or "white hat SEO", is distinguished from "black hat SEO", or spamdexing by methods and objectives. Spamdexing uses a variety of deceptive, unethical techniques in an attempt to manipulate search engine rankings, whereas legitimate SEO focuses on building better sites, and using honest methods of promotion. What constitutes an honest, or ethical, method is an issue that has been the subject of numerous debates. --http://en.wikipedia.org/wiki/Search_engine_optimization [Mar 2006]
Phrase [...]
As search item with regard to search features of search engines and other computer programs, a phrase is a sequence of wordshttp://en.wikipedia.org/wiki/Phrase [Jul 2004]Keyword [...]
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