Website can be in dynamic or static.
- A dynamic web page function like a program and it serve pages base on different request by a user (eg: forum).
- A static web site consists of pages that are pre-build and content are same every time you visit the same page.

To host your website/making it online (a.k.a viewable by anyone with internet)
- You need to find a web host (there are free and paid hosting)
- A web host will store all your web pages (static or dynamic) on a server (webserver).
- Upon visitor request (like typing in the URL http://something.com) the webserver will serve the pages on the server to your visitor.
- A domain name is used to identify a server (web server) similar to the name of your computer. So that one no need to type in IP address when visiting.
- Domain name such as (something.com, .net, .info, .biz, .org) need to register (buy frm registrar and then they register with ICANN) before you own it and use it.
- To upload your file, there are few method. Most common method is through FTP (known as File Transfer Protocol). You need to have a FTP client in order to connect to the server and upload your files.

To learn most types of codes needed to make a website:
http://www.w3schools.com/
Cheat Sheets (code references)
CSS: http://lesliefranke.com/files/reference/csscheatsheet.html
XHTML: http://www.modularmedia.com/xhtml_standard...cheatsheet.html
HTML: http://www.webmonkey.com/reference/HTML_Cheatsheet/
Web 2.0 - a "style" of webpages.
http://www.webdesignfromscratch.com/web-2....style-guide.cfm
Other useful webmaster resources:
http://www.webmaster-toolkit.com/
Webmaster programs:
a very basic editor (but a good one): http://notepad-plus.sourceforge.net/uk/site.htm
Crimson Editor (i like this one a lot) - http://www.crimsoneditor.com/
HTMLkit - http://www.htmlkit.com/
javascript libraries:
jQuery
mooTools
Prototype
CSS framework:
bluePrint
YUI Grid
960 Grid system