What's the difference between an earl, a duke, a jazz, a marquis, a viscount and a baron?

According to British tradition, the queen (or king) can grant someone a certain title of nobility on the proposal of the Prime Minister of the Cabinet, but the number of people who are blocked is limited, about 20 each year. Nobles can be divided into five grades: Duke, Marquis (Marquis or Marquis), Earl, Viscount and Baron. It turns out that the title of nobility is hereditary and there can only be one heir. The eldest son is the lawful heir. Only when a nobleman has no son can his title be inherited by the immediate descendants who first reached the age of inheritance. After 1958, it is allowed to grant a person a "lifetime peerage" that is not inherited. I. Composition of the title (female title in brackets) 1. Duke (Duchess) 2. Marquis (Marquise) 3. Count (Countess) 4. Viscount (viscount) 5. Baroness. Baron 7. The aristocratic registration of knighthood also includes the emperor Regina et Imperatrix, the king, the crown prince, the prince and the grand Queen. In addition, the "master" who comes into contact with big navigation players is actually a wide range. First of all, all male nobles except the duke can be called Lord XX in ordinary occasions. Ors, Marquis, Viscount and Baron all call their titles "Lord XX". For example, Nigel George paulette of paulette, Marquis of Winchester, is generally called Lord Winchester. The non-eldest son of a duke or marquis can also be called a Lord. Second, the duke is the top of the whole aristocratic group. At present, there are only 3 1 dukes in Britain. 1. Royal Duke, hereditary, ***5 people. Duke of Edinburgh: philip Mountbatten of the mountbatten family, Prince Philip, the husband of Elizabeth II. Prince of Wales: the title of Crown Prince. Charles Philip Arthur George of Mountbatten-Windsor, now the Mountbatten-Windsor royal family, is also Prince Charles. First in line to the throne. Duke of York: the title of the second son of the royal family. Andrew albert christian edward Mountbatten Windsor, also known as Prince Andrew, is now Mountbatten Windsor of Mountbatten Windsor. Fourth in line to the throne (the second and third are Charles' two sons). Duke of Gloucester: richard alexander Walter George Windsor of the Windsor family. Duke of Kent: Edward George Nicholas Patrick Windsor of the Windsor family. 2. Archbishops, an aristocrat with the same rank as the duke. Archbishop of Canterbury: Ron D. Williams. Archbishop of the Church of England. Archbishop of York: John Sentam. The first black bishop of the Anglican Church. 3. Duke of England, hereditary. (It is estimated that most people don't know the following incumbents ... I'll talk briefly) Duke of Cornwall, Duke of Cornwall: Charles Philip Arthur George of Mountbatten-Windsor, and the royal family of Mountbatten-Windsor. Yes, Charles again ... because Duke of Cornwall is the unique title of the eldest son of the king of England. Duke of Norfolk: The second title is hereditary, the position of chairman of English heraldry. Edward William Fitzlan-Howard, he is now Fitzlan-Howard of the Fitzlan-Howard family. Duke of Somerset Duke of Richmond Duke of Richmond