I know this one ........ A Great Big Spider, makes a Great Big Web, then all the Little Creatures get stuck on it. See simple!

it's a hug€ book. af€w pag€s ar€ stor€d on s€v€ral milion books. y us€ an ind€xing syst€m lik€ googl€ to ask what what yu want to fin. googl€ is a ibrarian. sh€ looks thrugh h€ ind€xing sst€m to find a ist of €vrything you wand, and alot you don't. yu tak€ th€ lst and wad€ thrugh th€ stacks untl you find €xactly what yu n€€d. you tak€ ut th€ book by clicking on th€ link. th€n ag€ thrugh th€ book to find th info you n€€d.

i'm not sur€ how w€ll that €xplination works but it mak€s s€nc€ to m€ right now.

Your computer connects to lots of other computers that are all interconnected by electronically operated banks of switches. Which one of your wee uns wants to know?

By analogy, picture it as the world. Each ISP could be a country, each house in the country a computer known by a string that you know as the URL. When you try and send data to a machine, you first need to know the IP address, which is contained in a big address book. ISPs have copies of this address book, but there are central ones too. The data is analogous to letters