Event handling in SAP R/3 CIC

Hi,
I am working on CIC modification ( SAP 4.6 -- its R/3 CIC not CRM) , where in the FM CIC_START_FRAMEWORK
I could see the framework and the different components Subscribing to events like :
ACTION_CONFIGURE
ACTION_EXECUTE
GLOBAL_CONFIG_MOD
OK_CODE
Could someone explain where exactly these EVENTS are maintained/configured and briefly on how this event handling is designed in CIC.
Regards,
Abhilash.T

Hi Florian,
Thanks a lot for the response, few more points :
1. How the user action on the CIC screen are linked to the events ..(any configuration done for this??).
2. Will the Call back functions will be acting as the event handlers.?
3. If custom events are to be maintained in CIC , where it can be configured ,,ie should we call FMs
CIC_EVENT_SUBSCRIBE , CIC_EVENT_RAISE explicitly inside the program or can they be configured?
Thanks in advance,
Regards,
Abhilash.T

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