This is pretty straightforward and can be understood by just common sense. Verbal instructions that instruct on what could be achieved by taking a particular step or movement or action can lead to better understanding and performance because an individual sees what the aim and target of the movement is and what goal is required to be achieved. In this way he is able to see clearly why he is actually making a move and not just making a move for the sake of it. It builds motivation and aids learning more effectively
They are authoritative and tell her what to do, but they arent authoritarian because they still appreciate her and give her hugs. An authoritarian is a dictator that does not show any remorse or compassion to its subject(s). Therefore, your answer