b
bounce ·verb (E-MAIL)
Definition: If e-mail bounces back, it is returned to you because the address is not correct or there is a computer problem. Level: C2
c
cookie ·noun (COMPUTER)
Definition: a piece of information stored on your computer which contains information about an Internet site you have looked at Level: C2
t
thread ·noun (INTERNET)
Definition: a group of pieces of writing on the Internet in which people discuss one subject Level: C2