In drama, dialogue and monologue are essential for conveying characters' emotions and intentions. Consider a scene in which a character, Jessie, is alone on stage, delivering a monologue where she reflects on her past decisions and their impacts on her present life. As she articulates her internal struggles, her tone shifts from regret to acceptance, demonstrating the complexity of her character.
Based on this context, what is the primary function of Jessie's monologue in the play?