Turning points are why scenes exist. So it’s essential to understand how and why they work within your story to propel both plot and character.
Advice and thoughts on story structure.
Character arc (aka the internal plot) is essential for a satisfying story structure. You might have tension on every page and you might follow what you think is a winning structure, but if you don’t have a character arc, your story will fail to resonate with readers. Learn the key concepts for character arcs here.