What is kiss on top of head while hugging?

A kiss on top of the head during a hug is often a gesture of affection and love. It is a way of showing comfort and care for the person you are hugging. This kind of kiss can be given by parents to their children, partners to each other, or friends to show support. A kiss on top of the head is also a way of protecting someone and showing them that you are there for them. It is often seen as a sweet and tender expression of love and can be a way of comforting and reassuring someone during a challenging time.