“Escalating complications” is my preferred term for what’s commonly known as “rising action.” What is rising action? And how can you use it to maintain reader engagement in the middles of your scenes and stories? We take a lesson from iguanas and snakes here.
I introduced this concept of scenes vs. summary in my post on the four ways to break down page-level craft. Here, in more detail, is what scene vs. summary is all about. And I’ve included some explanation on how the story writer can benefit from knowing this aspect of craft.