"Professor’s Office" What does the professor mean when she says this:

Narrator: Listen to a conversation between a student and a professor.
Professor: Okay Chris. Do you understand why I asked you to see me?  Q1
Student: I guess so. I did something in class... I apologize.
Professor: But do you understand what’s bothering me?
Student: No, not really. I like your class.
Professor: I’m glad you do. But Chris you’re disturbing the other students with your constant talking.  Q2
Student: I am?
Professor: Yes. I’ve had several people complain about it. They’re missing key parts of the lecture
    because you’re talking.
Student: But I’m talking about the lecture. I’m not just making conversation.
Professor: Look, Chris. It doesn’t matter. When I am talking, you should be listening.
Student: Well, I’m sorry. Sometimes I don’t get a word or a phrase so I ask someone about it.
Professor: Okay. I really don’t think you’re creating a disturbance on purpose, If I did, I’d simply  Q3
    askyou to drop the class, Period.
Student: Oh please don’t do that.
Professor: That’s not my plan, but it has to be an option, Look, maybe you need to record the lectures.
    I don’t mind if you do that. Then, you can fill in the blanks when you listen the
    second time instead of asking your neighbor during the class.
Student: That’s a great idea. I really wanted to do that, but I was thinking you probably wouldn’t
    want me to.
Professor: And another thing. If you have questions, I need you to write them down and make an
    appointment to talk with me about them. That’s why I have office hours twice a week.
    Just call the department, and we’ll arrange a time.
Student: Excuse me, Dr. Pierce. Can t tell you something? Uh, I’m embarrassed to ask you
    questions.
Professor: Why in the world would that be? I ask for questions at the end of every lecture. I encourage students to use my office hours...
Student: I know you do. It’s just that where I went to school before I came here, if you asked a
    professor a question, it was an insult because.., because it implied that he hadn’t
    explained everything well. You see, if the professor does a good job on the lecture,
    everything will be clear and no one will need to ask a question.
Professor: I see. Well, it’s different here. I’m not saying that your other experience is wrong.., I’m
    just saying that we do things differently at the university in this country. In my class I don’t
    expect you to understand everything in the lectures. And I don’t take it as a challenge  Q4
    when someone asks a question. I view the quest on as...kind of a compliment...
    because it means that person is very interested and is really trying to learn. That’s the
    kind of student I want.
Student: So, I can ask you questions in class? Professor: Or in my office. Just don’t ask other students questions while I’m trying to give my lecture.
    That does upset me.
Student: Oh, Professor Pierce. I’m so sorry. I was trying to be respectful. I’m interested in the
    class and I want to know everything.
Professor: I see that. Now I’m asking you to show your interest and respect in a different way. I
    want you to ask me the questions at the times that I provide for question-and-answer-at
    the end of the lecture and during my office hours.
Student: And I can record the lectures?  Q5
Professor: Yes. Just don’t make a lot of noise in class, okay?
Student: Oh no, I won’t. Thank you so much.