Your Mail app can sort your emails into different categories, but you don't have to use them if you don't want to.
The fix is using a password manager, which remembers all your logins for you (and even helps you invent strong passwords).
Fortunately, Apple’s Reminders app lets you create such subheadings with a feature called ‘Sections.’ Open a list, then hit the three dots in the top-right corner to find a menu option ...