This is another built-in module with comprehensive functionality for user data, access levels, and permissions. You may find the need for registered members in many modern applications and sites. So, you can use the features of existing user modules to handle basic user data and permissions, while developing advanced features such as frontend login, registration, and profile management with the extension of core features.
Similar to custom post types, you will find many applications with one of the primary features as user management. Forums, online student management systems, and CRMs are some of the examples of high-level user management applications with WordPress.
