Simple and easy are disjoint.
- Simple and easy are disjoint.[alk]
- Simple is how hard it is to understand the right answer.
- Easy is how hard it is to execute the right answer.
- It's totally possible for something to be simple but not easy: a slog, or an unforgiving domain where the action is easy but most attempts end in failure and the only way to get good is to develop the knowhow and feel.