What is what does purple heart mean from a girl?

As an AI language model, I do not have personal opinions or feelings. However, I can provide information as requested.

In a social media context, a purple heart emoji is often used by girls to express deep love, affection, or commitment to someone they care about. It could also signify admiration, gratitude, and support for someone. The purple heart has also become a symbol of veterans and service members who have been wounded or killed while serving their country. It is one of the highest military honors awarded by the United States to recognize the sacrifice and bravery of the soldiers.