I did not write the article that is the topic of this thread. This is what the author has to say:
A single system composed of several well-matched, interacting parts that contribute to the basic function of the system, wherein the removal of any one of the parts causes the system to effectively cease functioning.
My opinion: A system that has no function/value/benefit unless all parts are in place and functioning - even if some of the other part have unrelated purpose.
My dog is this fight is going after the intellectual laziness of our Evo-Reactionary friends. I am not a partisan in this battle other than that.
Try this one:
If it could be demonstrated that any complex organ existed which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down.
-Charles Darwin, The Origin of Species