Difference between thread group duration and run time duration?

Difference between thread group duration and run time duration?

References

Reference NO 1

http://jmeter.apache.org/usermanual/component_reference.html

Reference NO 2

http://stackoverflow.com/questions/16488511/of-threads-ramp-up-period-loop-count-scheduler-duration-in-jmeter

Reference NO 3

http://stackoverflow.com/questions/8983352/difference-between-sharing-modes-all-threads-and-current-thread-group-in-jme

Reference NO 4

http://jmeter.512774.n5.nabble.com/Display-total-execution-time-for-test-plan-td5580508.html

Reference NO 5

http://www.jajakarta.org/jmeter/1.7/en/usermanual/test_plan.html

Reference NO 6

http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html

Reference NO 7

http://code.google.com/p/jmeter-plugins/wiki/UltimateThreadGroup

Reference NO 8

#EANF#