| Term | Definition |
| Power | the social ability to induce others to do what one wants. |
| Influence | the ability to persuade others to do your will, to convince them to want to do what you want them to do. Targets of persuasion act voluntarily. |
| Coercion | the deliberate subjection of one will to another through fear of harm or threats of harm. When coercion is applied, compliance is not voluntary but results from fear of unpleasant consequences. |
| Violence | involves physical harm, such as beatings, torture, and murder. |
| Authority | → a form of power in which people obey commands not because they have been rationally or emotionally persuaded or because they fear the consequences of disobedience, but simply because they respect the source of the command. |
| Natural Authority | the human tendencies to follow and imitate, as well as to lead and initiate. |
| Public authority | authority deliberatly created by human agreement |
| Legitimacy | belief in the “rightness” of rule |
| Traditional authority | is dominion based on inherited position. |
| Legal authority | that of a general rules binding on all participants in the system. |
| Modernization | the gradual replacement of traditional authority with legal authority. |
| Charismatic authority | based on the projection and perception of extraordinary personal qualities. |