Hi Subha
You may explain any model you like waterfall v-model or any new model that you company follows
or
Test intiation :policy strategy methodology
Test plan : who what when how to test?
Test design : on what criteria you are going to write test cases & Test Cases
Test execution :cycles that are followed for testing
ex: sanity/smoke -> Batch ->Regression ->Final regression
Test Report : ex: defect report
Test Closure :completion of testing
any other clarification you can mail me...