- When you first sign up, you are creating an Sign up card. When your request is approved (whether automatically or by a person), it gets changed to a User card. These cards are often formatted differently, because while account requests have required signup information, User cards tend to be more like profile pages.
- "User" is not the only types that can have accounts. For example, you might want to add a new type called "Company" or "Robot" and add accounts to those cards. There's a link to add accounts to almost any card in its Options tab.