Search Engine Marketing-the overall process of marketing a site within the Search Engines.

Search Engine-a program that searches across many sites, using such agents as spiders to gather lists of available files and documents and stores these lists in databases that users can search by keywords.

Spider-an automated program that searches the Internet, storing the URL's (web site name) and indexing the keywords and text of each page it finds. Also known as a Bot or Crawler.

Directory-a catalog of web pages & information grouped by categories.

DMOZ.org-the Open Directory Project is the largest, most comprehensive human edited directory on the web. The ODP powers core directory services for some of the most popular portals and Search Engiens on the web including: AOL Search, Netscape Serch, Google, and hundreds of others.

Search Engine Optimization (SEO)-the process of attracting more visitors to yor web site through a specific process

Search Engine Submission (SES)-a way of letting the Search Engines know that your site and individual pages exist.

Keywords-one or more words and phrases that people use in their online searchs to find information.

Pay-per-Click (PPC)-pay-per-click advertising is a great way to enhance the visibility of your web site. It works by paying for a fixed position through a bidding system within the selected Search Engine.

Impressions-the number of times your PPC ad is displayed in the Search Engines

Click-through-Rate (CTR)-the number of clicks your ad receives divided by the number of times your ad is shown (impressions)

Cost-per-Click (CPC)-the amount you pay each time a user clicks on your ad.