solved I don’t understand this Sociology question and need help to

I don’t understand this Sociology question and need help to study.

The sixth page in Chapter 7 defines and describes institutional
discrimination. For example, when an individual, or a group of
individuals, experiences discrimination by an organization, this is
institutional discrimination. Some would argue that brutality inflicted
by police against African Americans constitutes institutional
discrimination. In your discussion this week, reflect on the
inequalities you read about with regard to race, ethnicity, and gender.
In your initial post, think about the ways in which these inequities are
institutionalized. Examine either a racial/ethnic group or a
gender/sexual orientation group though the lens of institutionalized
discrimination. Describe the types of discrimination and why it is
“institutionalized,” and pose a reason for its existence