What do my cPanel stats mean?

Within cPanel, there are numerous statistics listed on the left of the screen.

Main Domain - The primary domain name associated with your cPanel account.
Home Directory - The physical location of your files on the server.
Disk Space Usage - How much data is being stored on the server.
Monthly Bandwidth Transfer - How much data has been transfered on your account
Email Accounts - The number of email accounts allowed.
Subdomains - The number of subdomains (sub1.yourdomain.com) allowed.
Parked Domains - The number of allowed parked domains.
Addon Domains - The number of allowed addon domains.
FTP Accounts - The number of allowed FTP Accounts.
SQL Databases - The number of allowed MySQL databases.
Mailing Lists - The number of allowed mailing lists.
MySQL Disk Space - Amount of space being used by your MySQL databases.
Hosting package - The name of the hosting package your account is assigned to on the server.
Server Name - The name of the server your account resides on.
cPanel Version - Version of cPanel installed on the server.
Theme - Current theme for your cPanel configuration.
Apache version - Version of Apache running on the web server.
PHP version - Version of PHP installed on the web server.
MySQL Version - Version of MySQL installed on the web server.
Architecture - Hardware type (32/64 bit) the server runs on.
Operating system - Operating System installed on the server.
Dedicated IP Address - If assigned, the Â dedicated IP for your account.