It makes sense to me. It's asking you if you want to do either of the actions. Are you going to want to move or copy? Is what it's saying. If you want to do one or both of those actions, then click yes. Otherwise click no.
In programming it would be like saying this.
Code:
if ((x == 10) || (y == 10)) {
do_****();
}
If you want to do one of those things, click yes.