Can you please help me with these three questions? 1) A designator used to give a non-member function in C++ access to the private data members of a class, even though the function is not technically...

Can you please help me with these three questions?

1) A designator used to give a non-member function in C++ access to the private data members of a class, even though the function is not technically part of the class, is called ______

2) The stack operation that is required when using an array implementation, but is not required when using a linked list implementation, is ___ .