Based on their charts, Asians are massively overrepresented and whites are underrepresented compared to US population. So I am curious what they mean when they

Based on their charts, Asians are massively overrepresented and whites are underrepresented compared to US population. So I am curious what they mean when they say "underrepresented", will that include more Asians? If they meant black and Latino, they should just say so instead of vague euphemisms.