What is she puts her phone face down?

When someone puts their phone face down, it is usually a sign that they do not want to be disturbed or distracted by any incoming notifications or calls. This can also indicate that they are trying to prioritize their focus on something else, like work or personal time with family or friends. Additionally, putting the phone face down can be a way to protect one's privacy and prevent others from seeing any sensitive information on the phone screen. Overall, it is a common behavior that many people use to better manage their digital boundaries and maintain a healthy balance between their online and offline lives.