Cultural values vary by ethnicity, class, gender and religion, but generally as a whole, in America, individualism and personal responsibility are top qualities in the value system.

Yes. Guanxi is a Cultural Value

A value system is a set of consistent ethical values (more specifically the personal and cultural values) and measures used for the purpose of ethical or ideological integrity. A well defined value system is a moral code.

Socio-cultural and psycho-personal background has an impact on the communication process. For example, how we communicate non-verbally is often cultural.

it discusses personal identity and cultural difference