Some common administrative tools in this folder include:
Component Services. Configure and administer Component Object Model (COM) components. Component Services is designed for use by developers and administrators.
Computer Management. Manage local or remote computers by using a single, consolidated desktop tool. Using Computer Management, you can perform many tasks, such as monitoring system events, configuring hard disks, and managing system performance.
Data Sources (ODBC). Use Open Database Connectivity (ODBC) to move data from one type of database (a data source) to another.
Administrative Tools is the collective name for several advanced tools in Windows.
The programs available in Administrative Tools can be used to schedule a test of your computer's memory, manage advanced aspects of users and groups, format hard drives, configure Windows services, change how the operating system starts, and much, much more.
http://pcsupport.about.com/od/termsag/tp/administrative-tools.htm
Well, there are different tools available in the section which mostly required admin permission and one can change different system changes using these tools.