The Meaning of Boundaries They are a safeguard to overextending yourself. They are a self-care practice. They define roles in relationships. They communicate acceptable and unacceptable behaviors in relationships. They are parameters for knowing what to expect in relationships. They are a way that you ask people to show up by upholding your needs. They are a way to communicate your needs to others. They are a way to create healthy relationships. They are a way to create clarity. They are a way to feel safe.