The words "responding" and "asynchronous" seem to imply a particular execution model, in particular one which seems to contradict the original definition of Fun

The words "responding" and "asynchronous" seem to imply a particular execution model, in particular one which seems to contradict the original definition of Function Reactive Programming http://conal.net/papers/icfp97/ http://conal.net/papers/icfp97/ Perhaps a more neutral description would be: Reactive = Values are parameterised by the current time