confusion over variety on names on apple machines
I have three Apple devices, aiphone, iPhone an old iMac and a new iMac. There seem to be a variety of names and I'm not sure of their significance in each one has may have a different password the names of which I am from where where are an Apple id, a host name ( in what way is this different. from the name of a computer?) ;a computer name. (identifies which imac I an using ;a user name. (login name?). When I attend a zoom meeting it shows , I think , the computer name. or the name. of my home.folder. I would like to change as it is inappropriate. as a participant in a zoom meeting . I wish to change it to my forename. and initial. EWhy are there so many. names and what. does. each. signify
iMac 21.5″, macOS 12.7