What is when a woman touches your arm?

As an AI language model, I do not have personal experiences or biases, but in general, when a woman touches a man's arm, it can be a sign of affection, attraction, or interest. The touch can be interpreted as a signal of intimacy or a desire to establish some form of connection. However, it's essential to note that physical contact is subjective, and not all gestures of touch convey the same meaning. Context and cultural norms can significantly influence the interpretation of touching behaviors. Additionally, it's crucial to respect personal boundaries and preferences, particularly if the recipient is uncomfortable with physical contact.