Account info is broken up into three sections the first being General

The general tab contains the following information:

1. General information about the user's profile, which can be edited (excluding username)
2. Last login info as well as a link to change user password
3. Information about the user's current customer code and location as well as if the user has multiple customer codes enabled.
4. Information about the user's cart as well as their spending limit if one is enabled as well as an option to extend or shorten how long order history is shown for.
5. Whether or not the user is opted in to marketing emails.
6. This section allows the user to decide which page they will be sent to upon login. Note that the available options are decided by what pages are visible as part of your site's top navigation.

The account info's Privacy tab allows your users to change their marketing email preferences.

This tab allows your users to set up 2FA on their account if it has been enabled as an option for your site. You can see more information about 2FA here.