A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols). Definitions can be classified into two large categories, intensional definitions (which try to give the essence of a term) and extensional definitions (which proceed by listing the objects that a term describes).
Putin is declared the most powerful man in the world by Forbes magazine... 1  Vladimir Putin is declared world's most powerful for third year in a row.  German Chancellor Angela Merkel steals runner-up from Barack Obama.
U.S. Presidents. Who is the most powerful person in the United States? As commander-in-chief of the United States Armed Forces, the President is arguably recognized as the single most powerful person in the U.S. The President is elected by the people through the Electoral College and a person may serve as President up to 2 four-year term.