1) How do I register a domain name

in order to register a domain name you will need to find a domain name registrar.

Most web hosting companies will also offer Domain name registration.........See: How do I register a domain name

2) What is Web Hosting

A lot of people assume that webhosting is getting the domain name (the www.domain.com) however that's only the begining

Web Hosting is where you point the domain to and that gives you some space on a server that you can use in order to create your site content and recieve e-mails.........See: What is Web Hosting

3) What is PHP Hosting

PHP is a common scripting language which is native to linux/unix operating systems but can also be added to windows platform's

so PHP hosting would be a host that supports php or a client that want's a host that supports PHP.........See: What is PHP Hosting

4) What is cPanel Hosting

cPanel is a popular webserver control panel so cPanel hosting is a web host that uses cPanel as their control panel.........See: What is cPanel Hosting

5) What is SEO

Search Engine Optimisation (SEO For short) is the process of optimising your site, site content, and offsite content (backlinks = links from other places on the internet back to your site).........See: What is SEO

6) What are subdomains

Subdomains are the bit before the domain.com for example subdomain.domain.com

These can also be used to create additional website or additional parts of a website and can have seperate email accounts mysql databases..........See: What are subdomains

7) What is uptime

Uptime in relation to hosting is how long your site has been visible on the internet.

for example:
my site has 100% uptime this month would mean that your site had never been offline (not visable on the internet) that month.........See: What is uptime