You just need good abstractions that the user can understand. Skeuomorphism borrows from the real world but then your abstractions are essentially random, Unix

You just need good abstractions that the user can understand. Skeuomorphism borrows from the real world but then your abstractions are essentially random, Unix has directories and files, smalltalk has objects etc. Modern UIs have (?) I don’t know what the basic abstractions iOS is supposed to have in its UI that the user is supposed to manipulate, I guess web documents?