Introducing a list. The colon is used to introduce a list of items. The bookstore specializes in three subjects: art, architecture, and graphic design. Do not, however, use a colon when the listed items are incorporated into the flow of the sentence.
Definition of medal for Students. : a piece of metal often in the form of a coin with design and words in honor of a special event, a person, or an achievement.
By virtue of an act of Congress approved 4 March 1921, the Medal of Honor, emblem of the highest ideals and virtues, is bestowed in the name of the Congress of the United States upon the unknown, unidentified British soldier and French soldier, buried, respectively, in Westminster Abbey and Arc de Triomphe.