sues. A painting is an instance of representation. A film is a sequence of representations. Interactive artworks are not instances of representations, they are virtual machines which themselves produces instances of representation based on real-time outputs. [Arts] 
interactivity 
v., An expression of the extent that in a given series of communication exchanges, any third (or later) transmission (or message) is related to the degree to which previous exchanges referred to even earlier transmissions. [Comput