Answer: Manifestation of a personality trait.
Explanation: Manifestation of personality trait is defined as display or showcasing of the feelings, emotions and thoughts . The positive manifestation of personality feature includes kindness,politeness, generosity etc
According to the question, Olivia is showing her personality traits at different places such as workplace, home , restaurant etc by interacting with everyone, relating with them, polite regards etc.This depicts her behavior of personality trait's manifestation.