Specialized vocabulary used as a kind of shorthand by people with common backgrounds and experience. 

A person who speaks kindly but avoids eye contact and gestures may be lacking in:

A linguistic strategy in which speakers emphasize differences between their communication style and that of others to create distance. 

Linguistic rules governing how sounds are combined to form words:

Genuineness includes the ability to:

Language used by a group of people whose members belong to a similar coculture or group.

The ability to understand and manage one’s own emotions and to deal effectively with the emotions of others:

Uses language primarily to express thoughts, feelings, and ideas as directly as possible. 

What is a heightened self-consciousness that makes it feel as if people are always observing and judging you?

The degree of which a person identifies with a particular group, usually the basis of nationality, culture, religion, or some other unifying perspective: