> Variables can be varied... you can increment, decrement, do whatever you want with them. Variables by themselves are not much. They inherit the properties of

> Variables can be varied... you can increment, decrement, do whatever you want with them. Variables by themselves are not much. They inherit the properties of the type they are bound to. So what you can do with them can be as restrictive or as permissive as the type allows. That type can be a pointer/reference as well.