This section will give you elaborate information about the web server your web hosting account is located on. You can see the Operating System, the physical IP address and the current PHP/Perl/MySQL versions used, find more info about the currently installed Perl modules and the incoming and outgoing mail servers, keep an eye on the server load, etc.
See Server Information here
Access & Error Logs
This section permits you to check the access and error log files for the sites hosted in your account. An access log represents a record of all the files uploaded to your web site, including text files, image files, video files, etc. that your visitors have requested to see. The error log, on the other hand, contains a list of all warnings and errors associated with your site and helps you avoid any eventual issues with the web site's availability.
See Access & Error Logs here
This section offers you elaborate, up-to-date info about the visitors to your web site. You can select between two popular web stats tools - Webalizer and Awstats. They offer exhaustive info about the number of hits, visits and page requests on a daily and monthly basis. You can find stats for all the websites hosted in your account.
See Traffic Statistics here
The web hosting server's CPU is used to serve your webpages to your visitors. The more elaborate and popular your websites are, the more CPU time will be needed. This section permits you to monitor your CPU usage. You should take measures to optimize your sites if the CPU time quota has been reached. You can see exhaustive stats for each day and month or for a full calendar year.
See CPU Statistics here