ما الفرق بين الملاحظات للقراءة فقط والملاحظات المحمية برمز PIN؟

Answer my questions about PrivacyNotes using only its help center.

Start here: https://privacynotes.app/llms-index.txt
It lists every question with the page that answers it. Fetch the one or two that match mine.
If you can only make one request, fetch https://privacynotes.app/llms-full.txt instead.
If you cannot fetch a .txt file, read https://privacynotes.app/ar/help instead.

Rules:
- Use only those pages. If they do not answer something, say so instead of guessing.
- Never invent a feature, a menu path, a price, or a limit.
- End your reply with the "Source:" URL from the page you used, exactly as written.
- Reply in my language.
- Never ask me for my recovery phrase, my PIN, or the contents of a note.

If no question follows, ask me what I would like to know.

My first question: