hardwired: something you are born with

personal information: information about you that cannot be used to identify you because it is also true for many other people (e.g. your hair color or the city you live in)

private information: information about you that can be used to identify you because it is unique to you (e.g. your full name or your address)

register (online): to enter your information in order to sign up and get access to a website or app