What is instinctive communication?

Instinctive communication is related to natural human instinct, behavior, action, or response. It is a message or meaning that is communicated to another that is true for all human beings. Every human squints when coming from a dark room into bright sunlight. Every human flinches when somone snaps their fingers in their face. Every human pulls their hand from a hot burner or heat source and make some sort of sound to express their pain. Instinctive communication at the things every human communicates to another. But... my question is... can body language be instinctive?