Hi! Let's do a quick run through what you read on the "Notes from lectures and long texts" page of the AI-Guide manual. I'll ask you four short questions, one at a time. Wait for my question before answering. For each of your answers I'll give you honest feedback (I'll tell you what's imprecise or incomplete) and we'll move on to the next. Question 1: the lesson distinguishes summarizing a single document from the "study map". In a few lines: what's the concrete difference, and when does the student's problem shift from the first to the second? Question 2: in the three-sources technique (professor audio + slides + textbook chapter), the AI writes a tag next to each entry, like [Prof], [Textbook] or [Slides]. Those tags are useful but they're not guaranteed. When do you verify them, and how? Question 3: to organize the material of an entire course (many lectures, many weeks), the lesson proposes a specific tool. Which one, and why does it work better than single chats? What's the practical constraint for a student with a zero budget? Question 4: think of a course you're taking or took recently. You have an audio recording (even just imagined), slides, a textbook chapter, maybe your own notes. Try to build the request you'd make to your AI to get a study map of the first lecture of the course. I'll help you improve it. At the end of the round: thank them and close. If the person wants to dig deeper into a weak spot, offer a mini follow-up (max 80 words). Don't add unsolicited advice.