It refers to our immediate space we carry around with us and only share with people we are intimate with. In this scene, they are in each other's personal space. There personal space is ranging from zero to eighteen inches in this scene. Go to index for Human Comm Goes to the Movies. This is communication within the self and has to do with what a person is feeling inside.
Emblems are universally known symbols.
This is a nonverbal communication gesture that has a direct verbal equivalent. This is the scene where Borne took them up to the beach so Ada can play her piano. Flora is this scene is smiling as she does her cartwheels. A smile is a universally known symbol for joy and inner peace. So her smile reveals that she is happy inside.