Circumstantial
Definition 1 of 3
Pro Tip 1/2
Not Crucial
Circumstantial in this context means related but not essential for understanding the main point. The book included some circumstantial information that wasn't critical to the plot.
Pro Tip 2/2
Consider Context
Think about how circumstantial aspects might influence a situation without causing it directly. The weather was a circumstantial factor in the traffic jam.