What is the best definition of an inciting incidents?

An inciting incident is a pivotal event in a narrative that sets the main plot in motion and disrupts the status quo of the protagonist's life. It introduces the central conflict or challenge that the characters must confront, propelling the story forward. This moment often occurs early in the narrative, serving as a catalyst for character development and subsequent events. Overall, it is crucial for engaging the audience and establishing the stakes of the story.