Authority has been defined by Max Weber as legitimate power. It is the socially approved use of power. Social Science defines authority as the legitimate power which one person or a group holds over another. The authorities are not attached to individuals but to a social position or status that they occupy in a social system.

Domination means the exercise of power or influence over someone or something. If a person or an institution or a group is habitual of being in the position of power it is said to be dominant.

Law is the system of rules that a society or government develops in order to deal with various social relationships and other aspects of society. It is a formal body of rules which governs the society and is applicable to all the citizens. There is no discrimination on the basis of any caste, class, etc.