Human kind is a term that refers to the human species as a whole, including all the different cultures, races, and ethnicities. Other synonyms for human kind include humanity, mankind, people, society, population, and homo sapiens. The term humanity can be used to express the positive aspects of human nature, such as compassion, kindness, and empathy, while the term mankind can be used to refer to the historical perspective of human development. People, on the other hand, refers to individuals within a society. The term society denotes the complex social structure of human communities, while population refers to the total number of individuals in a certain geographical area. Finally, homo sapiens simply means "wise man," referring to the intellectual capacity of the human species.