Overview
A title is one or more words used before or after a person's name, in certain contexts. It may signify either generation, an official position, or a professional or academic qualification. In some languages, titles may be inserted between the first and last name (for example, Graf in German, Cardinal in Catholic usage (Richard Cardinal Cushing) or clerical titles such as Archbishop). Some titles are hereditary.
Types
Titles include:
Honorific titles or styles of address, a phrase used to convey respect to the recipient of a communication, or to recognize an attribute such as:
Imperial, royal and noble ranks
Academic degree
Social titles, prevalent among certain sections of society due to historic or other reasons.
Other accomplishment, as with a title of honor
Title of authority, an identifier that specifies the office or position held by an official
Titles in English-speaking areas
From Wikipedia (CC BY-SA 4.0).