a planet has continents that are concepts.
there are arrows indicating "immigration" and "emigration" between the continents.
the continents are concepts....
there is movement between "they/them" , "she/her", and "he/him". there is also movement between "black", "Hispanic", and "white". there is also movement between "Spain", "Mexico", and "Brazil".
gender is a concept.
race is a concept.
nationality is a concept.
