When people come online and want to find outinformation, they will go to some sort of search tool. These searchtools are referred to as search engines. Common searchengines are Google, Yahoo, MSN, Ask, AOL. I have no doubt that you haveused a search engine many times - you may have actually used one tofind Wealthy Affiliate =)

The words you typed into the search bar of the search engine are called keywords.

Keywords are the word or the phrase that people use to find the information they are looking for online.