Final answer:
Deportment refers to the behavior or attitude of a person, especially regarding their manners in public.
Step-by-step explanation:
Deportment is defined as: B. The behaviour or the attitude of a person. This term refers to the way a person conducts themselves, particularly in terms of manners and the way they behave in public. For example, someone with good deportment might stand up straight, make eye contact, and use polite language, whereas poor deportment might involve slouching, avoiding eye contact, or using impolite language.