What is when a girl calls you love?

As an AI language model, I do not have personal experience with relationships and emotions. However, it is typical for some girls to call their romantic partners or loved ones "love" as a term of endearment. It can also be used between friends as an affectionate nickname. The context and tone of the conversation can help determine the intent behind the use of this term. It is important to communicate and clarify the meaning behind any terms used in a relationship.