Refers to the terms of a contract or a judgment or a rule of law which it is possible, where necessary, to make people obey.

An attempt to settle a dispute with the help of a neutral third party where all parties are actively involved in the decision-making process. The individual who intervenes in order to help the other parties settle their dispute is called a mediator.

The term that describes a duty that is enforced by a court and where non-fulfilment may incur a penalty.