A public institution of higher learning may not make diversity training mandatory. [...] "Diversity, equity, and inclusion training" or "DEI training" means training, seminar, discussion group, workshop, or other instructional program [...] interrelated concepts purporting to: (i) describe or expose structures, systems, or relations of power, privilege, or subordination on the basis of race, sex, color, gender, ethnicity, gender identity, or sexual orientation; (ii) describe methods to identify, dismantle, or oppose such structures, systems, or relations; or (iii) justify differential treatment or special benefits conferred on the basis of race, sex, color, gender, ethnicity, gender identity, or sexual orientation; or (b) concepts of unconscious or implicit bias, cultural appropriation, allyship, transgenderism, [...] neo-pronouns, inclusive language, heteronormativity, disparate impact, gender identity, gender theory, racial or sexual privilege, or related formulations of these concepts.