In this Menu you can create, edit and delete Users. For each User you can setup different Permissions. You should use this function for security and privacy-reasons.
Be carefully with setting the permissions Shop-Superuser (has all permissions in the Shop) and Superuser
(has all System-Permissions). This last Permission is only needed for the Systems-Administrator and should not
be used for standard work.
Has a User the Permission 123tkShopUserWrite so
he has permissions to create new users. But he can give this new Users no higher Permissions than is own.