Something unique that really defines you as a person.

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

a unique thing that define someone’s character.

A personality trait is often thought of as labels you conform to (e.g. introvert/extrovert, shy/sociable), but really it should be thought of as something which makes a person unique.

In other words, personality traits refers to the idiosyncrasies of an individual.

Something that doesn't exist in reality, life is nothing more than an unbreakable illusion that we kid ourselves with. Telling ourselves that we matter, that we're unique and special while truthfully, we are nothing more than mirrors in the eyes of ourselves. Life is nothing more than a lesson we must teach ourselves, whether its something big or small. You must learn something from life for life to end.