TSL | Taiwan Sing Language Gleaning

Extend all fingers of both hands with fingers close together, palm facing down; Place one hand at the position of a specific subject, the other hand close to you. Move the hand further from you upwards and the hand closer to you downwards simultaneously to signal a distance in height. This is used to indicate that a person is older or has a higher rank or status than you. It can also be interpreted as you are younger or have a lower rank or status than the person you are referring to.