Edit: E.g. bees! I don’t think we’re going to get anywhere trying to use pheromones, but KatjaGrace already mentioned dancing as communication.
While the meaning that’s communicated by humans isn’t very large it’s also not completely absent. Plenty of people who are socially anxious use a lot of deodorant to override their body saying “get away from me”.
Non-human communication and signaling could also be a source of inspiration.
Edit: E.g. bees! I don’t think we’re going to get anywhere trying to use pheromones, but KatjaGrace already mentioned dancing as communication.
While the meaning that’s communicated by humans isn’t very large it’s also not completely absent. Plenty of people who are socially anxious use a lot of deodorant to override their body saying “get away from me”.