S: (n) badge (an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.)) "they checked everyone's badge before letting them in"
S: (n) positive identification (evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance) "a system for positive identification can prevent the use of a single identity by several people"
S: (n) id ((psychoanalysis) primitive instincts and energies underlying all psychic activity)
S: (n) instinct, inherent aptitude (inborn pattern of behavior often responsive to specific stimuli) "the spawning instinct in salmon"; "altruistic instincts in social animals"