What is a hyperlink?
How do you insert a hyperlink into a blog post?
What is delicious.com?
What is the purpose of a delicious account, in your own words?

Hyperlink is a word or words that you can click on to go to another site.
To insert a hyperlink, you highlight the word or words that you want to make into a hyperlink and you click on the symbol that looks like the Earth with a paper clip on it. Type in the URL and publish post.
delicious.com is a place you can go to save the sites you want to save.
The purpose of having a delicious account is so that you can remember the sites you want to remember on the Internet. With delicious, you won't forget the site you don't want to forget.