Please refer to the following information to answer the questions on the right.

Please refer to the following information to answer the questions on the right.

Lucille has issues with her Apple device and takes it to an Apple Service Provider where Baron, a technician, assists her. Without much knowledge about the technical aspects of her device, Lucille vaguely describes the issues to Baron.

Which of the following skills would help Baron verify that he understood the issue that Lucille described?