Power (n.) is exercised by individuals over other individuals and therefore involves choice, agency and intention as well as resistance and conflict.
Power (n.) is negative, involving restrictions and deprivations for those subjected to domination. Weber argued that, when the exercise of power was regarded by people as legitimate, it became authority.
Power (n.) is organized in the form of bureaucracy.
Power (n.) is the probability that someone in a social situation will be able to carry out their own will in the pursuit of goals of action.
Power (n.) comes, in the modern state, down to a monopoly: within its territory the state alone claims the right to use violence, and anyone else may use force only by its permission.