The Vietnamese word "bản sắc" is a noun that refers to the unique character or identity of a person, group, or culture. It is often used in contexts related to national identity or cultural characteristics.
Bản sắc dân tộc: National character. This phrase refers to the unique identity of a nation, including its traditions, language, and values.
"Chúng ta cần gìn giữ bản sắc văn hóa của mình." (We need to preserve our cultural identity.)