Deontology:Deontology is an ethical theory that judges the morality of an action based on the action's adherence to a rule or rules, rather than the consequences of the action.
Prima Facie Duties:Prima facie duties are moral obligations that hold unless they conflict with other, stronger moral obligations, according to W.D. Ross's theory.
Moral Pluralism:Moral pluralism is the view that there are multiple, irreducible moral principles or values that can come into conflict, as opposed to a single overarching moral principle.