It means understanding that each individual is unique, and recognizing our individual differences. These can be along the dimensions of race, ethnicity, gender, sexual orientation, socio-economic status, age, physical abilities, religious beliefs, political beliefs, or other ideologies.
Hope it helps you my dear:)
Citizenship is an individual or group's relation to the state; they swear allegiance to the state, and in turn, the state is obligated to provide them certain benefits or rights.
This should be anwsered in something you read or a video you watched prior to the question being asked. try checking multiple sources.
All of the above because they are not just for emergency cars or something they all are used for other things too