Original sentence: Black is a term that has been used in different ways a form of racial/ethnic classification.Blacks, for example, are a racial group defined by their possessing some degree of recent African ancestry (recent because, after all, everyone of us is out of Africa, the origin of Homo sapiens).“The entities we call ‘racial groups’ essentially represent individuals united by a common descent — a huge extended family, as evolutionary biologists like to say
Edited sentence: "Black" has also been used as a political metaphor that transcends both race and color.Black people is a term that refers to people of a dark pigmentation of skin.Its most agreed upon use is to specify  indigenous peoples of Africa (with the exception of Maghreb Berbers) and their descendants around the world.The term also refers term to a wide variety of peoples inhabiting Asia, the coasts of the Indian Ocean and the Pacific Rim