What is a “Person of African Descent”​ and why are they the “seen/unseen” in Denmark?

Ethnicity is a multidimensional concept. It is neither simple nor consistent. It comprises one or more of the following: shared origins or social background; shared culture or traditions that are distinctive and maintained between generations and lead to a sense of identity and group; and a common language or religious tradition.

https://www.linkedin.com/pulse/what-person-african-descent-why-seenunseen-denmark-akilah-foote/?fbclid=IwAR2etvCLAnRi8xNOeuQ4SS8HpX_FJHfadTbQ1ckBpHagCcET00zZtHVqynE