Answer:
Artifacts.
Explanation:
Artifacts can be defined as those objects that are handmade.
In nonverbal communication, artifact or artifactual communication can be defined as those messages that are conveyed with the help of objects.
These objects include clothes, home, car, interior design, etc. These objects convey a lot about the personality of an individual.
For example, burka is an artifactual communication that conveys the message that the woman is Muslim.
In the given case, Samantha has used artifactual communication to convey about her beliefs and lifestyle. She has decorated her room with handmade objects such as hanging pictures and favorite objects.
So, the correct answer is artifacts.