The power and authority constitutionally conferred upon (or constitutionally recognised as existing in) a court or judge to pronounce the sentence of law, or award the remedies provided by the law, upon a state of facts, proved or admitted, referred to the court or tribunal for decision, and authorised by the law to be the subject of investigation or action by that court or tribunal, and in favour of or against persons who present themselves, or who are brought, before the court or tribunal in some manner sanctioned by law as proper and sufficient.

A legal document, usually in writing, giving details of a formal legally binding agreement, between two or more different people or groups. To be legally binding it must contain certain elements: it must contain an offer made by one party and accepted in its entirety by the other, it must include some form of consideration whether it be money, goods or services, and it must be properly signed by all parties to it, and dated.

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

Sometimes known as a repudiatory breach, is a breach of an essential part of a contract that it permits the distressed party to terminate performance of the contract, in addition to entitling that party to sue for damages.

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 reference of a dispute to an impartial person or persons chosen by the parties who agree in advance to abide by the arbitration award issued after the hearing at which both parties are given an opportunity to be heard.

A violation of a statute, regulation or ordinance, which may be criminal or merely not in conformity; that which lacks authority of or support from the law.

The process whereby a party is made aware of the commencement of legal proceedings affecting their rights, obligations or duties. Although the format may vary, there are strict requirements regarding service of a legal notice which must be adhered to if the legal notice to be effective.