Assume you are a Business Analyst responsible for eliciting requirements in a new information system project. 

During initial discussions with different representatives, you discover, among other aspects, the following:

• You do not understand some of the company's terminology.

• It is obvious that the company representatives do not use consistent terminology.

• Your main contact person at the company described their ideas by  telling you the expected interactions between specialists and the information system in the form of different flows of user actions.

Which two of the following approaches are suitable for eliciting and documenting the requirements in this case?