How registration works and why an account is the base for all further actions in the app.
How sign-in works and what to check when it does not work.
What that means for your account and why the setup may differ from standard registration.
Where to update your name or birth date and why these details matter.
What belongs in settings and what is handled in other profile sections.
Why addresses matter and how the main address works.
What other users can learn about you and why this section matters.
What anonymization means and how to control who can see your email, phone or web details.