NATURAL%2C INBORN' The term 'NATURAL, INBORN' can be summarized as an INNATE quality or trait that is present from birth. This could refer to physical characteristics, such as eye color, or to personality traits, such as a tendency towards introversion or extroversion. It could also refer to talents or abilities that are present at birth, such as a NATURAL aptitude for music or mathematics. In all cases, these qualities are not learned or acquired, but are instead part of the individual's genetic makeup.