Next, there are limits related to the manner in which a power is exercised or a duty is performed, These are of three kinds. There are requirements as to the procedures to be followed, designed to enhance famines. This notion of procedural due process is a way of ensuring that people are allowed to participate in decisions affecting them, respecting their autonomy and self-respect, as well as tending to ensure that the decision is informed by as full an appreciation as possible of the relevant factors and arguments. Then there are requirements as to the way in which decisions must be justified and communicated to those affected by them and to the wider community. These ensure that relevant matters and arguments will be taken properly into account, and that the outcome will be demonstrably rational and non-arbitrary.