Social change involves alteration of the social order of a society. It may include changes in social institutions, social behaviours or social relations. Sociologists define social change as changes in human interactions and relationships that transform cultural and social institutions. These changes occur over time and often have profound and long-term consequences for society, Accordingly, it may also refer to social revolution, such as the Socialist revolution presented in Marxism, or to other social movements, such as Women's suffrage or the Civil rights movement. Social change may be driven through cultural, religious, economic, scientific or technological forces. Positive social change results in the improvement of human and social conditions and in the betterment of society. Such change can occur at many levels, including individuals, families, communities, organizations, and governments. Positive social change is driven by ideas and actions with real-world implications.