What is aww meaning from a girl?

As an AI language model, I don't have personal opinions, but I can tell you that "aww" is a term often used by girls (and people in general) to express affection or tenderness towards something cute, sweet, or endearing. It can be used as an exclamation or a response to something heartwarming or adorable, such as a cute puppy or a touching moment. It can also be used as a way to show empathy or sympathy towards someone who is going through a difficult situation. The term "aww" is often accompanied by a smile, and it is generally a positive expression that reflects a kind and compassionate attitude.