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.
In practice this award was the precursor to the Medal of Honor introduced during the Civil War. After a long period of disuse, Badge of Military Merit was reinstituted in 1932 as the Purple Heart and is a decoration for members of the armed forces wounded or killed in action or as a result of a terrorist attack.