instant messaging	a kind of e-mail where both people are online at the same time
chat room	an online conversation between a group of people on topics chosen
newsgroup	a website where people with shared interests can get news and information
e-commerce	all kinds of business done on the Internet
attachment	files you send at the same time as e-mail messages
browsing	looking at different websites, with no particular goal
surfing the Web	moving from one website or one page to another, usually looking for sth
graphic images	terchincal term for pictures, icons, diagrams, etc.
Internet Service Provider	a company that offers users access to the Internet and services, usually for a monthly fee
downloading	bringing files to your computer from the Internet
uploading	sending files from your computer to the Internet or to another Internet user
spam	unwanted advertisements and other material sent to you by e-mail from companies
cookies	programme sent from the Internet to computer, can follow and record websites you visit
offensive material	material such as pornography, or extreme political views, or encouraging hate/violence vs. people
to bookmark	to put a website in a list of websites you can access immediately
to subscribe to	to become a member of
to screen out	to prevent from reaching you
server	central computer that distributes e-mail/other services to a group of users
to be down	to be not working
to hack into	to access sth illegally
anti-virus software	protection against computer viruses
to bounce	to come back /e.g. e-mail when it cannot reach the given address
garbled	series of meaningless letters and numbers