directory of shareware sitesI need help on this assignment?

I'm having a hard time finding the defintion of these terms:

Multimedia
Netiquette
Network
Newsgroup
Offline
Online
Online Services
Operators
Outbox
POP
Public Domain Freeware
Search Engine
Search Sites
Shareware
Signature
SLIP
SMTP
Spdirectory of shareware sitesiders
Start Page
Surfing
TCP/IP
Text String
Uploading
URL
Web Site
Crawlers
Directories
Domain
Electronic Mail (E-mail)
Emoticons
Fair-Use
Freeware
Gopher
Home Page
Internet Protocol
Links
Login


What the website that I can go to findirectory of shareware sitesd the defintions for these terms It's for Computer Class..

Thanks x0x

This has definitions from every large dictionary company that exists. also is a good resource.
you can go to dictionary.com
search yahoo or google for an online dictionary.