I'm catching up but it's going to take a while. The collaborative essay is next.
collaborative adjective produced by or involving two or more parties working together: collaborative research. DERIVATIVES collaboratively adverb
I guess this means, like, interactive, or like, He said. She said. I would call that dialogue so that can't be right. It's not two sides of a coin, or two opposing opinions. It has to be co-operative. I guess?