(a topic [[Erlend Eidsem Hansen]] studied during his early years in object oriented computer programming.)
This is contrary to reading a book (which is a chronological action, page after page, scene after scene, like a railroad has stations along the line). It is also contrary to playing most computer games (which usually has a branching structure in the storyline, that you get alternate ways but the interactivity is deciding alternate actions and getting alternate endings. The Swedish Interactingarts Collective would name this in their book "Deltagerkultur" as Interactivity, but not as Interaction).
Scene structure - the modern interpretation