1. The IP adress is a sequence of numbers and periods that identify each computer using the internet. It works by giving the internet somewhere to send the information when it is requested by a specific computer.

2. The domain name is the part of the netwok that identifies it to belong a particular domain. These are used to then identify one or more IP adress'.

3. HTML stands for Hypertext Markup Language.

4. The default page is called the index.html

5. img is the HTML tag for a image.