What does "current trusted stores" mean?

Hi I’m researching how another party is able to hack into or clone and lastly maybe enabling family share if I’ve disabled and such links or options. I purchased an iPhone because I was informed that these phone were safe and secure with your information and that is not what has happened with me. I’m wondering what it means when it states current device store and then it list a computer, applewatch and some type of iPad. This is an urgent matter.

Thank you kindly

[Edited by Moderator]