Is deliberate deception to secure an unfair or unlawful gain. It is both a civil wrong (a fraud victim may sue the fraud perpetrator to remedy the fraud and/or recover compensation) and a criminal offence (a fraud perpetrator may be prosecuted and imprisoned by the government authorities).
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.
The failure to do something which a reasonable person would do in a particular situation, or doing something which a reasonable and prudent person would not do in similar circumstances. If an injured person proves that another person acted negligently and caused their injury, they can recover damages to compensate for their injury.