TL;DR: Yeah. Don't touch it, just use sudo instead.
Admin account is pretty much a Windows terminology. Here in Linux, it's often called the superuser.
The superuser is not designed for daily use. It requires advanced technical knowledge. It is some way unsafe since running something with superuser perms enable that to run on a root level.
It's not necessary in a desktop type of instance too. So I suggest you to steer clear from the superuser and simply stick to sudo.
I hope that answers your question, have a great day!