refer is basically synonymous with training set and sometimes people use supports that just to avoid the confusion between meta training and training so if someone says support they mean the inner training set and when someone says quarry they're referring to the test the the inner test not the meta test just the test so the quarry is the thing that you actually want to classify correctly after reading in the support and if someone says like oh I have a case shot classification problem what they're referring to is the number of