What is the reasoning behind the naming of “lvalue” and “rvalue”?

Question

What is the reasoning behind the naming of \"lvalue\" and \"rvalue\" in C/C++ (I know how they function)?

Answer 1

It's pretty intuitive if you think about what side of an assignment operator they can appear:

left-value = right-value;

Loosely put, lvalue means you can assign to it, rvalue means it can only appear on the right hand side of the operator.