Final answer:
The subject of this question is Criterion and it is talking about the difference between ultimate and actual criteria.
Step-by-step explanation:
The subject of this question is Criterion. A criterion is a measurable standard or attribute used to compare different designs or solutions. In this question, the student is asking about the ultimate criterion and the actual criterion. The ultimate criterion is something that can never actually be measured, while the actual criterion refers to measurable factors that constitute a successful person.
In the given options, the correct answer is Actual criterion is unmeasurable, as the ultimate criterion cannot be measured, but the actual criterion can be.