Answer:
Sara is illustrating a relational message.
Step-by-step explanation:
Communication can be divided into categories referring to content or to relation. The content of a message refers to its subject. The relational part of a message refers to the existing relationship between the people communicating. It can be verbal or non-verbal, and is influenced by affinity, respect, control etc. Sara is expressing respect through non-verbal communication. Her gestures and actions convey that she values her boss and what he/she says.