Bits flash to and fro between the computers to provide people with a huge variety of services.
Home computers link via a modem and phone line to a service provider.
The domain name contains the name of the person's service provider or organization or provider and often its country, each separated by a dot. E-mail offers you more than a quick and easy way to send people written messages. You can locate useful or interesting web sites by using a search engine. This is an organization with a web site containing a huge database of web site addresses. You key in a subject or a name that describes what you are seeking, and the search engine provides you with a list or selection of web site addresses that fit your inquiry.