Which object is a target of an SAP BW transformation?

which objects can be affected by the key date in a BW query?
there are 2 correct answers to this question.
Response:

You need to view the SAP HANA calculation views, SAP BW DataSources, and InfoAreas in the same SAP HANA studio perspective. What should you do?

What must you do if you want to use an object from BI COntent?
Please choose the correct answer.
Response:

You identified a variable that is based on time characteristic OCALMONTH and returns the current quarter. Which offset do you need to retrieve the corresponding quarter of the previous year?
Please choose the correct answer.
Response: