we show this through body lanuage.
bow
businessmen shake hand
but in cities ,strangers might bump into each other accidentally or even push a bit in queues.
that not considered rude
someone won't apologise when that happens.
Western visitor
they are also surprised to see young women holding hands in public.
they just means they are friends
expressive
shrug
stick out the lower lip at the same time.
not my fault