One frequently sees in the author social media groups this notion of potters vs. pantsers. A plotter is someone who outlines the book before writing it so that they know every plot twist, character trait, scene, etc. before ever actually writing the narrative of the book. There are many great writers who consider themselves plotters, and one can understand the value of doing this. Famous plotters include, J.K. Rowling, John Grisham, and James Patterson.
On the other end of the spectrum are...