What's the difference between authority and seignioralty?

Authority

Definition:

(n.) Legal or rightful power; a right to command or to act; power exercised buy a person in virtue of his office or trust; dominion; jurisdiction; authorization; as, the authority of a prince over subjects, and of parents over children; the authority of a court.
(n.) Government; the persons or the body exercising power or command; as, the local authorities of the States; the military authorities.
(n.) The power derived from opinion, respect, or esteem; influence of character, office, or station, or mental or moral superiority, and the like; claim to be believed or obeyed; as, an historian of no authority; a magistrate of great authority.
(n.) That which, or one who, is claimed or appealed to in support of opinions, actions, measures, etc.
(n.) Testimony; witness.
(n.) A precedent; a decision of a court, an official declaration, or an opinion, saying, or statement worthy to be taken as a precedent.
(n.) A book containing such a statement or opinion, or the author of the book.
(n.) Justification; warrant.

Example Sentences:

(1) He added: "There is a rigorous review process of applications submitted by the executive branch, spearheaded initially by five judicial branch lawyers who are national security experts and then by the judges, to ensure that the court's authorizations comport with what the applicable statutes authorize."
(2) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(3) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
(4) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
(5) Handing Greater Manchester’s £6bn health and social care budget over to the city’s combined authority is the most exciting experiment in local government and the health service in decades – but the risks are huge.
(6) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
(7) The authors empirically studied the self-medication hypothesis of drug abuse by examining drug effects and motivation for drug use in 494 hospitalized drug abusers.
(8) At the heart of the payday loan profit bonanza is the "continuous payment authority" (CPA) agreement, which allows lenders to access customer bank accounts to retrieve funds.
(9) The authors report 4 new cases of heterotopic pancreas in children with prepyloric, jejunal, Meckel's diverticulum and mesenteric localization.
(10) A tiny studio flat that has become a symbol of London's soaring property prices is to be investigated by planning, environmental health and fire safety authorities after the Guardian revealed details of its shoebox-like proportions.
(11) For his lone, perilous journey that defied the US occupation authorities, Burchett was pilloried, not least by his embedded colleagues.
(12) The playing fields on which all those players began their journeys have been underfunded for years and are now facing a renewed crisis because of cuts to local authority budgets.
(13) Different therapeutic success rates have been reported by various authors who used the same combination of therapy.
(14) No report can be taken seriously if its authors weren’t even in Yemen to conduct investigations.” The UN team was not given permission to enter the country.
(15) Migrant voters are almost as numerous as current Ukip supporters but they are widely overlooked and risk being increasingly disaffected by mainstream politics and the fierce rhetoric around immigration caused partly by the rise of Ukip,” said Robert Ford from Manchester University, the report’s co-author.
(16) The dangers caused by PM10s was highlighted in the Rogers review of local authority regulatory services, published in 2007, which said poor air quality contributed to between 12,000 and 24,000 premature deaths each year.
(17) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(18) The authors report an ocular luxation of a four-year-old girl after a bicycle accident.
(19) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(20) Midtrimester abortion by the dilatation and evacuation (D&E) method has generated controversy among health care providers; many authorities insist that this procedure should be performed only by a small group of experts.