‘Hyperlink’ is a highlighted word or picture in a document or web page that one can click to go to another place in the same or a different document or web page ‘DNS’ refers to Domain Name System which refers to the internet’s system for converting alphabetic names into numeric IP addresses. ‘URL’ (Uniform Resource Locator) referes to web address. ‘HTML’ (Hyper Text Markup Language) is a set of markup symbols or codes inserted in files for display on a browser page.