☛ Keyword is a word or group of words that makes a phrase that is being typed by the person in search box of the search engine.

☛ These keywords are used by search engines to populate the subjects over the Internet and search results are populated according to that.

☛ Search engines stores the keywords in the database for the web sites and when the search is being it picks the most matched word from the database.

☛ The words can be found out or placed in the order for the web site that displays them in order of preference.

☛ Keywords are also written in the Meta tag that is placed in tag and it describes the website.