Final answer:
The narrative voice in the provided texts illustrates how brief character encounters, such as those experienced by Miro or Marcus, have the potential to fundamentally change individuals' lives through epiphanies or directional changes.
Step-by-step explanation:
The snippets provided indicate various points in a narrative where characters experience significant encounters that shape their life stories. The speaker, or narrative voice, gives insight into pivotal moments of characters' lives, portraying transformative experiences. From the perspective of the characters like Miro, Marcus, Mrs. Peters, or Nora, each encounter with another person – be it Judy Jones's attention, Marcus's beer-drinking companion, or Helmer's conversation with Nora – has the potential to alter the course of their lives, either through a sense of epiphany, realization, or change in direction. The texts suggest how brief meetings or interactions with others can have long-lasting and even life-changing effects.