The electrons whizzing through the transistor gates know nothing about data structures.
The transistors themselves know nothing either.
The collective billions of them you inaccurately call 'PC' knows nothing either.
int count; // how many
int money; // how much
Within your program, these may mean different things.
But at every level of abstraction beneath your program, it's all the same.
The meaning is in your program and in your head.
