It includes aspects of race, origin, ancestry, identity, language and religion. Also includes culture, arts, customs, beliefs and practices such as dress and food preparations.
Measuring ethnicity can be done so via origin or ancestry, race and identity.
Roots / Ethnic background is determined by looking at their origin or ancestry however the problem with this is the complexity of multiple background groups involved.
Race looks at the genetic and physiognomical (outward) features (ie skin color).
Identity would be about the perception of how a person sees themselves.
