Quality is delighting customers
Entry criteria specifies the details about the basic setup that should be ready for starting an activity.
Ex:For test case execution we need to have test bed,test cases,test resources ready in place.
Entry criteria: It specifies the conditions to be meet to stop the activity.
Ex:For releasing the application to acceptance testing,we need to meet the conditions like percentage of test cases passed,no p1 & p2 bugs exists in the system and all the scope FS requirements are covered in the functional testing