Few Queries on Listeners....

Now i think TestListenerAdapter--->is for report generation[Custom report]
WebDriverEventListener.-------->on actions of webDriver like beforeclick, before navigate........

[b:8pt6g3cx]Query1[/b:8pt6g3cx]: Are these listeners common for all kinds of reports TestNG,xslt,mavensurefire ?????

[b:8pt6g3cx]Query2:[/b:8pt6g3cx]Whats the difference between these to types of listeners in realworld?

[b:8pt6g3cx]Query3[/b:8pt6g3cx]:What's common factor among these 2 listeners?