Don't bury your head in the sand. Here are some terms that anyone investing in a website should learn.

General Terms
 Browsers Web 2.0
 Web Development

Ajax

del.icio.us

Digg This

Domain Registration

Facebook

Facebook Group

Friendster

Myspace

Page Template

Server

Social Networking Site

Twitter

XML

SEO Services

Active Content

Apple Safari

Applet

Bookmark

Bookmarklet

Browser

Google Chrome

Firefox

Internet Explorer

Java

Javascript

Mozilla

Netscape Navigator

Opera

Plug-In

pop-up ad

Shockwave

Tabbed Browsing

Temporary Internet File

Blog

Dynamic Content

Feed

Form

RIA

Podcasting

RSS Feed

Web 2.0

Wiki

Alt tag

CGI form

Content Management System

Drupal

Google Analytics

Hosting Services

Joomla

jQuery

Mouse Hover

PHP